Home / 747,437.52-1,121,221.08-215,001.84

Finding the Fourth Proportional to 747,437.52, 1,121,221.08 and 215,001.84

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Solution

The fourth proportional to 747,437.52, 1,121,221.08 and 215,001.84 is: 322,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,437.52 : 1,121,221.08 = 215,001.84 : x
  2. Step 2: Convert to fraction form
    747,437.52/1,121,221.08 = 215,001.84/x
  3. Step 3: Cross multiply
    747,437.52x = 1,121,221.08 × 215,001.84
  4. Step 4: Simplify right side
    747,437.52x = 241,064,595,246.79
  5. Step 5: Solve for x
    x = 241,064,595,246.79/747,437.52
  6. Step 6: Final answer
    x = 322,521.40

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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.