Home / 686,248.34-1,029,617.52-416,925.90

Finding the Fourth Proportional to 686,248.34, 1,029,617.52 and 416,925.90

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Solution

The fourth proportional to 686,248.34, 1,029,617.52 and 416,925.90 is: 625,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,248.34 : 1,029,617.52 = 416,925.90 : x
  2. Step 2: Convert to fraction form
    686,248.34/1,029,617.52 = 416,925.90/x
  3. Step 3: Cross multiply
    686,248.34x = 1,029,617.52 × 416,925.90
  4. Step 4: Simplify right side
    686,248.34x = 429,274,209,618.30
  5. Step 5: Solve for x
    x = 429,274,209,618.30/686,248.34
  6. Step 6: Final answer
    x = 625,537.71

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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.