Home / 906,246.25-1,250,651.92-498,379.10

Finding the Fourth Proportional to 906,246.25, 1,250,651.92 and 498,379.10

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Solution

The fourth proportional to 906,246.25, 1,250,651.92 and 498,379.10 is: 687,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,246.25 : 1,250,651.92 = 498,379.10 : x
  2. Step 2: Convert to fraction form
    906,246.25/1,250,651.92 = 498,379.10/x
  3. Step 3: Cross multiply
    906,246.25x = 1,250,651.92 × 498,379.10
  4. Step 4: Simplify right side
    906,246.25x = 623,298,783,692.17
  5. Step 5: Solve for x
    x = 623,298,783,692.17/906,246.25
  6. Step 6: Final answer
    x = 687,780.81

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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.