Home / 762,064.39-1,052,124.15-490,602.61

Finding the Fourth Proportional to 762,064.39, 1,052,124.15 and 490,602.61

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Solution

The fourth proportional to 762,064.39, 1,052,124.15 and 490,602.61 is: 677,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,064.39 : 1,052,124.15 = 490,602.61 : x
  2. Step 2: Convert to fraction form
    762,064.39/1,052,124.15 = 490,602.61/x
  3. Step 3: Cross multiply
    762,064.39x = 1,052,124.15 × 490,602.61
  4. Step 4: Simplify right side
    762,064.39x = 516,174,854,034.03
  5. Step 5: Solve for x
    x = 516,174,854,034.03/762,064.39
  6. Step 6: Final answer
    x = 677,337.59

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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.