Home / 731,311.20-1,094,828.40-521,359.20

Finding the Fourth Proportional to 731,311.20, 1,094,828.40 and 521,359.20

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Solution

The fourth proportional to 731,311.20, 1,094,828.40 and 521,359.20 is: 780,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,311.20 : 1,094,828.40 = 521,359.20 : x
  2. Step 2: Convert to fraction form
    731,311.20/1,094,828.40 = 521,359.20/x
  3. Step 3: Cross multiply
    731,311.20x = 1,094,828.40 × 521,359.20
  4. Step 4: Simplify right side
    731,311.20x = 570,798,858,761.28
  5. Step 5: Solve for x
    x = 570,798,858,761.28/731,311.20
  6. Step 6: Final answer
    x = 780,514.31

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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.