Home / 788,560.40-1,183,009.08-289,924.40

Finding the Fourth Proportional to 788,560.40, 1,183,009.08 and 289,924.40

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Solution

The fourth proportional to 788,560.40, 1,183,009.08 and 289,924.40 is: 434,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,560.40 : 1,183,009.08 = 289,924.40 : x
  2. Step 2: Convert to fraction form
    788,560.40/1,183,009.08 = 289,924.40/x
  3. Step 3: Cross multiply
    788,560.40x = 1,183,009.08 × 289,924.40
  4. Step 4: Simplify right side
    788,560.40x = 342,983,197,713.55
  5. Step 5: Solve for x
    x = 342,983,197,713.55/788,560.40
  6. Step 6: Final answer
    x = 434,948.54

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Half scale
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Double scale
Find fourth proportional to 788,561.40, 1,183,010.58 and 289,925.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.