Home / 906,165.92-1,250,545-498,301.20

Finding the Fourth Proportional to 906,165.92, 1,250,545 and 498,301.20

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Solution

The fourth proportional to 906,165.92, 1,250,545 and 498,301.20 is: 687,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,165.92 : 1,250,545 = 498,301.20 : x
  2. Step 2: Convert to fraction form
    906,165.92/1,250,545 = 498,301.20/x
  3. Step 3: Cross multiply
    906,165.92x = 1,250,545 × 498,301.20
  4. Step 4: Simplify right side
    906,165.92x = 623,148,074,154
  5. Step 5: Solve for x
    x = 623,148,074,154/906,165.92
  6. Step 6: Final answer
    x = 687,675.47

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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.