Home / 906,181.08-1,250,562-498,313.86

Finding the Fourth Proportional to 906,181.08, 1,250,562 and 498,313.86

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Solution

The fourth proportional to 906,181.08, 1,250,562 and 498,313.86 is: 687,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,181.08 : 1,250,562 = 498,313.86 : x
  2. Step 2: Convert to fraction form
    906,181.08/1,250,562 = 498,313.86/x
  3. Step 3: Cross multiply
    906,181.08x = 1,250,562 × 498,313.86
  4. Step 4: Simplify right side
    906,181.08x = 623,172,377,389.32
  5. Step 5: Solve for x
    x = 623,172,377,389.32/906,181.08
  6. Step 6: Final answer
    x = 687,690.78

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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.