Home / 906,109.45-1,250,463.17-498,242.36

Finding the Fourth Proportional to 906,109.45, 1,250,463.17 and 498,242.36

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Solution

The fourth proportional to 906,109.45, 1,250,463.17 and 498,242.36 is: 687,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,109.45 : 1,250,463.17 = 498,242.36 : x
  2. Step 2: Convert to fraction form
    906,109.45/1,250,463.17 = 498,242.36/x
  3. Step 3: Cross multiply
    906,109.45x = 1,250,463.17 × 498,242.36
  4. Step 4: Simplify right side
    906,109.45x = 623,033,720,913.88
  5. Step 5: Solve for x
    x = 623,033,720,913.88/906,109.45
  6. Step 6: Final answer
    x = 687,592.12

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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.