Home / 788,990.40-1,183,485.60-283,793.40

Finding the Fourth Proportional to 788,990.40, 1,183,485.60 and 283,793.40

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Solution

The fourth proportional to 788,990.40, 1,183,485.60 and 283,793.40 is: 425,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,990.40 : 1,183,485.60 = 283,793.40 : x
  2. Step 2: Convert to fraction form
    788,990.40/1,183,485.60 = 283,793.40/x
  3. Step 3: Cross multiply
    788,990.40x = 1,183,485.60 × 283,793.40
  4. Step 4: Simplify right side
    788,990.40x = 335,865,402,275.04
  5. Step 5: Solve for x
    x = 335,865,402,275.04/788,990.40
  6. Step 6: Final answer
    x = 425,690.10

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Double scale
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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.