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Finding the Fourth Proportional to 485,304.52, 728,101.38 and 350,672.80

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Solution

The fourth proportional to 485,304.52, 728,101.38 and 350,672.80 is: 526,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,304.52 : 728,101.38 = 350,672.80 : x
  2. Step 2: Convert to fraction form
    485,304.52/728,101.38 = 350,672.80/x
  3. Step 3: Cross multiply
    485,304.52x = 728,101.38 × 350,672.80
  4. Step 4: Simplify right side
    485,304.52x = 255,325,349,608.46
  5. Step 5: Solve for x
    x = 255,325,349,608.46/485,304.52
  6. Step 6: Final answer
    x = 526,113.69

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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.