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Finding the Fourth Proportional to 552,702.20, 829,053.30 and 459,390.20

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Solution

The fourth proportional to 552,702.20, 829,053.30 and 459,390.20 is: 689,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,702.20 : 829,053.30 = 459,390.20 : x
  2. Step 2: Convert to fraction form
    552,702.20/829,053.30 = 459,390.20/x
  3. Step 3: Cross multiply
    552,702.20x = 829,053.30 × 459,390.20
  4. Step 4: Simplify right side
    552,702.20x = 380,858,961,297.66
  5. Step 5: Solve for x
    x = 380,858,961,297.66/552,702.20
  6. Step 6: Final answer
    x = 689,085.30

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Similar ratio
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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.