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Finding the Fourth Proportional to 604,499, 906,743.10 and 225,406.88

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Solution

The fourth proportional to 604,499, 906,743.10 and 225,406.88 is: 338,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,499 : 906,743.10 = 225,406.88 : x
  2. Step 2: Convert to fraction form
    604,499/906,743.10 = 225,406.88/x
  3. Step 3: Cross multiply
    604,499x = 906,743.10 × 225,406.88
  4. Step 4: Simplify right side
    604,499x = 204,386,133,132.53
  5. Step 5: Solve for x
    x = 204,386,133,132.53/604,499
  6. Step 6: Final answer
    x = 338,108.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.