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Finding the Fourth Proportional to 632,189.00, 872,427.71 and 345,702.94

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Solution

The fourth proportional to 632,189.00, 872,427.71 and 345,702.94 is: 477,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,189.00 : 872,427.71 = 345,702.94 : x
  2. Step 2: Convert to fraction form
    632,189.00/872,427.71 = 345,702.94/x
  3. Step 3: Cross multiply
    632,189.00x = 872,427.71 × 345,702.94
  4. Step 4: Simplify right side
    632,189.00x = 301,600,822,967.66
  5. Step 5: Solve for x
    x = 301,600,822,967.66/632,189.00
  6. Step 6: Final answer
    x = 477,073.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.