Home / 731,427.20-1,095,002.40-521,475.20

Finding the Fourth Proportional to 731,427.20, 1,095,002.40 and 521,475.20

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Solution

The fourth proportional to 731,427.20, 1,095,002.40 and 521,475.20 is: 780,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,427.20 : 1,095,002.40 = 521,475.20 : x
  2. Step 2: Convert to fraction form
    731,427.20/1,095,002.40 = 521,475.20/x
  3. Step 3: Cross multiply
    731,427.20x = 1,095,002.40 × 521,475.20
  4. Step 4: Simplify right side
    731,427.20x = 571,016,595,540.48
  5. Step 5: Solve for x
    x = 571,016,595,540.48/731,427.20
  6. Step 6: Final answer
    x = 780,688.22

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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.