Home / 690,552.60-953,010.50-418,631.96

Finding the Fourth Proportional to 690,552.60, 953,010.50 and 418,631.96

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Solution

The fourth proportional to 690,552.60, 953,010.50 and 418,631.96 is: 577,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,552.60 : 953,010.50 = 418,631.96 : x
  2. Step 2: Convert to fraction form
    690,552.60/953,010.50 = 418,631.96/x
  3. Step 3: Cross multiply
    690,552.60x = 953,010.50 × 418,631.96
  4. Step 4: Simplify right side
    690,552.60x = 398,960,653,515.58
  5. Step 5: Solve for x
    x = 398,960,653,515.58/690,552.60
  6. Step 6: Final answer
    x = 577,741.15

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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.