Home / 646,326.52-966,789.14-454,187.03

Finding the Fourth Proportional to 646,326.52, 966,789.14 and 454,187.03

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Solution

The fourth proportional to 646,326.52, 966,789.14 and 454,187.03 is: 679,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,326.52 : 966,789.14 = 454,187.03 : x
  2. Step 2: Convert to fraction form
    646,326.52/966,789.14 = 454,187.03/x
  3. Step 3: Cross multiply
    646,326.52x = 966,789.14 × 454,187.03
  4. Step 4: Simplify right side
    646,326.52x = 439,103,081,027.97
  5. Step 5: Solve for x
    x = 439,103,081,027.97/646,326.52
  6. Step 6: Final answer
    x = 679,382.74

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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.