Home / 729,393.52-1,005,769.56-474,271.60

Finding the Fourth Proportional to 729,393.52, 1,005,769.56 and 474,271.60

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Solution

The fourth proportional to 729,393.52, 1,005,769.56 and 474,271.60 is: 653,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,393.52 : 1,005,769.56 = 474,271.60 : x
  2. Step 2: Convert to fraction form
    729,393.52/1,005,769.56 = 474,271.60/x
  3. Step 3: Cross multiply
    729,393.52x = 1,005,769.56 × 474,271.60
  4. Step 4: Simplify right side
    729,393.52x = 477,007,938,452.50
  5. Step 5: Solve for x
    x = 477,007,938,452.50/729,393.52
  6. Step 6: Final answer
    x = 653,978.85

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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.