Home / 731,402.20-1,094,964.90-521,450.20

Finding the Fourth Proportional to 731,402.20, 1,094,964.90 and 521,450.20

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Solution

The fourth proportional to 731,402.20, 1,094,964.90 and 521,450.20 is: 780,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,402.20 : 1,094,964.90 = 521,450.20 : x
  2. Step 2: Convert to fraction form
    731,402.20/1,094,964.90 = 521,450.20/x
  3. Step 3: Cross multiply
    731,402.20x = 1,094,964.90 × 521,450.20
  4. Step 4: Simplify right side
    731,402.20x = 570,969,666,097.98
  5. Step 5: Solve for x
    x = 570,969,666,097.98/731,402.20
  6. Step 6: Final answer
    x = 780,650.74

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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.