Home / 788,573.40-1,183,028.58-289,937.40

Finding the Fourth Proportional to 788,573.40, 1,183,028.58 and 289,937.40

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Solution

The fourth proportional to 788,573.40, 1,183,028.58 and 289,937.40 is: 434,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,573.40 : 1,183,028.58 = 289,937.40 : x
  2. Step 2: Convert to fraction form
    788,573.40/1,183,028.58 = 289,937.40/x
  3. Step 3: Cross multiply
    788,573.40x = 1,183,028.58 × 289,937.40
  4. Step 4: Simplify right side
    788,573.40x = 343,004,230,610.89
  5. Step 5: Solve for x
    x = 343,004,230,610.89/788,573.40
  6. Step 6: Final answer
    x = 434,968.05

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Double scale
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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.