Home / 731,593.76-1,009,638.64-409,284.64

Finding the Fourth Proportional to 731,593.76, 1,009,638.64 and 409,284.64

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Solution

The fourth proportional to 731,593.76, 1,009,638.64 and 409,284.64 is: 564,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,593.76 : 1,009,638.64 = 409,284.64 : x
  2. Step 2: Convert to fraction form
    731,593.76/1,009,638.64 = 409,284.64/x
  3. Step 3: Cross multiply
    731,593.76x = 1,009,638.64 × 409,284.64
  4. Step 4: Simplify right side
    731,593.76x = 413,229,587,302.49
  5. Step 5: Solve for x
    x = 413,229,587,302.49/731,593.76
  6. Step 6: Final answer
    x = 564,834.76

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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.