Home / 534,747.20-802,120.80-476,686.40

Finding the Fourth Proportional to 534,747.20, 802,120.80 and 476,686.40

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Solution

The fourth proportional to 534,747.20, 802,120.80 and 476,686.40 is: 715,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,747.20 : 802,120.80 = 476,686.40 : x
  2. Step 2: Convert to fraction form
    534,747.20/802,120.80 = 476,686.40/x
  3. Step 3: Cross multiply
    534,747.20x = 802,120.80 × 476,686.40
  4. Step 4: Simplify right side
    534,747.20x = 382,360,076,517.12
  5. Step 5: Solve for x
    x = 382,360,076,517.12/534,747.20
  6. Step 6: Final answer
    x = 715,029.60

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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.