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Finding the Fourth Proportional to 472,001.80, 708,002.70 and 322,702.60

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Solution

The fourth proportional to 472,001.80, 708,002.70 and 322,702.60 is: 484,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,001.80 : 708,002.70 = 322,702.60 : x
  2. Step 2: Convert to fraction form
    472,001.80/708,002.70 = 322,702.60/x
  3. Step 3: Cross multiply
    472,001.80x = 708,002.70 × 322,702.60
  4. Step 4: Simplify right side
    472,001.80x = 228,474,312,097.02
  5. Step 5: Solve for x
    x = 228,474,312,097.02/472,001.80
  6. Step 6: Final answer
    x = 484,053.90

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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.