Home / 906,129.99-1,250,491.50-498,262.86

Finding the Fourth Proportional to 906,129.99, 1,250,491.50 and 498,262.86

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Solution

The fourth proportional to 906,129.99, 1,250,491.50 and 498,262.86 is: 687,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,129.99 : 1,250,491.50 = 498,262.86 : x
  2. Step 2: Convert to fraction form
    906,129.99/1,250,491.50 = 498,262.86/x
  3. Step 3: Cross multiply
    906,129.99x = 1,250,491.50 × 498,262.86
  4. Step 4: Simplify right side
    906,129.99x = 623,073,471,195.69
  5. Step 5: Solve for x
    x = 623,073,471,195.69/906,129.99
  6. Step 6: Final answer
    x = 687,620.41

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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.