Home / 731,905.20-1,095,719.40-521,953.20

Finding the Fourth Proportional to 731,905.20, 1,095,719.40 and 521,953.20

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Solution

The fourth proportional to 731,905.20, 1,095,719.40 and 521,953.20 is: 781,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,905.20 : 1,095,719.40 = 521,953.20 : x
  2. Step 2: Convert to fraction form
    731,905.20/1,095,719.40 = 521,953.20/x
  3. Step 3: Cross multiply
    731,905.20x = 1,095,719.40 × 521,953.20
  4. Step 4: Simplify right side
    731,905.20x = 571,914,247,132.08
  5. Step 5: Solve for x
    x = 571,914,247,132.08/731,905.20
  6. Step 6: Final answer
    x = 781,404.81

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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.