Home / 712,305.60-1,068,458.40-473,971.20

Finding the Fourth Proportional to 712,305.60, 1,068,458.40 and 473,971.20

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Solution

The fourth proportional to 712,305.60, 1,068,458.40 and 473,971.20 is: 710,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,305.60 : 1,068,458.40 = 473,971.20 : x
  2. Step 2: Convert to fraction form
    712,305.60/1,068,458.40 = 473,971.20/x
  3. Step 3: Cross multiply
    712,305.60x = 1,068,458.40 × 473,971.20
  4. Step 4: Simplify right side
    712,305.60x = 506,418,509,998.08
  5. Step 5: Solve for x
    x = 506,418,509,998.08/712,305.60
  6. Step 6: Final answer
    x = 710,956.80

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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.