Home / 889,702.40-1,334,553.60-574,515.20

Finding the Fourth Proportional to 889,702.40, 1,334,553.60 and 574,515.20

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Solution

The fourth proportional to 889,702.40, 1,334,553.60 and 574,515.20 is: 861,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,702.40 : 1,334,553.60 = 574,515.20 : x
  2. Step 2: Convert to fraction form
    889,702.40/1,334,553.60 = 574,515.20/x
  3. Step 3: Cross multiply
    889,702.40x = 1,334,553.60 × 574,515.20
  4. Step 4: Simplify right side
    889,702.40x = 766,721,328,414.72
  5. Step 5: Solve for x
    x = 766,721,328,414.72/889,702.40
  6. Step 6: Final answer
    x = 861,772.80

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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.