Home / 754,814.19-1,132,387.61-328,416.96

Finding the Fourth Proportional to 754,814.19, 1,132,387.61 and 328,416.96

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Solution

The fourth proportional to 754,814.19, 1,132,387.61 and 328,416.96 is: 492,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,814.19 : 1,132,387.61 = 328,416.96 : x
  2. Step 2: Convert to fraction form
    754,814.19/1,132,387.61 = 328,416.96/x
  3. Step 3: Cross multiply
    754,814.19x = 1,132,387.61 × 328,416.96
  4. Step 4: Simplify right side
    754,814.19x = 371,895,300,869.58
  5. Step 5: Solve for x
    x = 371,895,300,869.58/754,814.19
  6. Step 6: Final answer
    x = 492,697.81

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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.