Home / 755,132.90-1,133,574.15-455,951.30

Finding the Fourth Proportional to 755,132.90, 1,133,574.15 and 455,951.30

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Solution

The fourth proportional to 755,132.90, 1,133,574.15 and 455,951.30 is: 684,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,132.90 : 1,133,574.15 = 455,951.30 : x
  2. Step 2: Convert to fraction form
    755,132.90/1,133,574.15 = 455,951.30/x
  3. Step 3: Cross multiply
    755,132.90x = 1,133,574.15 × 455,951.30
  4. Step 4: Simplify right side
    755,132.90x = 516,854,607,338.90
  5. Step 5: Solve for x
    x = 516,854,607,338.90/755,132.90
  6. Step 6: Final answer
    x = 684,455.16

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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.