Home / 731,226.85-1,009,089.60-408,938.23

Finding the Fourth Proportional to 731,226.85, 1,009,089.60 and 408,938.23

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Solution

The fourth proportional to 731,226.85, 1,009,089.60 and 408,938.23 is: 564,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,226.85 : 1,009,089.60 = 408,938.23 : x
  2. Step 2: Convert to fraction form
    731,226.85/1,009,089.60 = 408,938.23/x
  3. Step 3: Cross multiply
    731,226.85x = 1,009,089.60 × 408,938.23
  4. Step 4: Simplify right side
    731,226.85x = 412,655,315,275.60
  5. Step 5: Solve for x
    x = 412,655,315,275.60/731,226.85
  6. Step 6: Final answer
    x = 564,332.83

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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.