Home / 762,985.23-1,053,001.89-487,594.10

Finding the Fourth Proportional to 762,985.23, 1,053,001.89 and 487,594.10

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Solution

The fourth proportional to 762,985.23, 1,053,001.89 and 487,594.10 is: 672,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,985.23 : 1,053,001.89 = 487,594.10 : x
  2. Step 2: Convert to fraction form
    762,985.23/1,053,001.89 = 487,594.10/x
  3. Step 3: Cross multiply
    762,985.23x = 1,053,001.89 × 487,594.10
  4. Step 4: Simplify right side
    762,985.23x = 513,437,503,587.84
  5. Step 5: Solve for x
    x = 513,437,503,587.84/762,985.23
  6. Step 6: Final answer
    x = 672,932.43

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Double scale
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1.5x scale

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.