Home / 983,979.98-1,474,702.72-477,560.92

Finding the Fourth Proportional to 983,979.98, 1,474,702.72 and 477,560.92

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Solution

The fourth proportional to 983,979.98, 1,474,702.72 and 477,560.92 is: 715,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,979.98 : 1,474,702.72 = 477,560.92 : x
  2. Step 2: Convert to fraction form
    983,979.98/1,474,702.72 = 477,560.92/x
  3. Step 3: Cross multiply
    983,979.98x = 1,474,702.72 × 477,560.92
  4. Step 4: Simplify right side
    983,979.98x = 704,260,387,689.70
  5. Step 5: Solve for x
    x = 704,260,387,689.70/983,979.98
  6. Step 6: Final answer
    x = 715,726.34

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Double scale
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Similar ratio
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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.