Home / 731,347.68-1,009,158.96-409,041.12

Finding the Fourth Proportional to 731,347.68, 1,009,158.96 and 409,041.12

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Solution

The fourth proportional to 731,347.68, 1,009,158.96 and 409,041.12 is: 564,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,347.68 : 1,009,158.96 = 409,041.12 : x
  2. Step 2: Convert to fraction form
    731,347.68/1,009,158.96 = 409,041.12/x
  3. Step 3: Cross multiply
    731,347.68x = 1,009,158.96 × 409,041.12
  4. Step 4: Simplify right side
    731,347.68x = 412,787,511,256.44
  5. Step 5: Solve for x
    x = 412,787,511,256.44/731,347.68
  6. Step 6: Final answer
    x = 564,420.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.