Home / 750,551.55-1,035,761.63-406,387.72

Finding the Fourth Proportional to 750,551.55, 1,035,761.63 and 406,387.72

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Solution

The fourth proportional to 750,551.55, 1,035,761.63 and 406,387.72 is: 560,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,551.55 : 1,035,761.63 = 406,387.72 : x
  2. Step 2: Convert to fraction form
    750,551.55/1,035,761.63 = 406,387.72/x
  3. Step 3: Cross multiply
    750,551.55x = 1,035,761.63 × 406,387.72
  4. Step 4: Simplify right side
    750,551.55x = 420,920,807,279.18
  5. Step 5: Solve for x
    x = 420,920,807,279.18/750,551.55
  6. Step 6: Final answer
    x = 560,815.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.