Home / 740,951.52-1,022,680.80-418,848.54

Finding the Fourth Proportional to 740,951.52, 1,022,680.80 and 418,848.54

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Solution

The fourth proportional to 740,951.52, 1,022,680.80 and 418,848.54 is: 578,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,951.52 : 1,022,680.80 = 418,848.54 : x
  2. Step 2: Convert to fraction form
    740,951.52/1,022,680.80 = 418,848.54/x
  3. Step 3: Cross multiply
    740,951.52x = 1,022,680.80 × 418,848.54
  4. Step 4: Simplify right side
    740,951.52x = 428,348,359,966.03
  5. Step 5: Solve for x
    x = 428,348,359,966.03/740,951.52
  6. Step 6: Final answer
    x = 578,105.78

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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.