Home / 498,643.59-747,965.39-124,666.59

Finding the Fourth Proportional to 498,643.59, 747,965.39 and 124,666.59

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Solution

The fourth proportional to 498,643.59, 747,965.39 and 124,666.59 is: 186,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,643.59 : 747,965.39 = 124,666.59 : x
  2. Step 2: Convert to fraction form
    498,643.59/747,965.39 = 124,666.59/x
  3. Step 3: Cross multiply
    498,643.59x = 747,965.39 × 124,666.59
  4. Step 4: Simplify right side
    498,643.59x = 93,246,297,492.11
  5. Step 5: Solve for x
    x = 93,246,297,492.11/498,643.59
  6. Step 6: Final answer
    x = 186,999.89

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Similar ratio
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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.