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Finding the Fourth Proportional to 581,644.60, 872,466.90 and 489,023.80

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Solution

The fourth proportional to 581,644.60, 872,466.90 and 489,023.80 is: 733,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,644.60 : 872,466.90 = 489,023.80 : x
  2. Step 2: Convert to fraction form
    581,644.60/872,466.90 = 489,023.80/x
  3. Step 3: Cross multiply
    581,644.60x = 872,466.90 × 489,023.80
  4. Step 4: Simplify right side
    581,644.60x = 426,657,078,812.22
  5. Step 5: Solve for x
    x = 426,657,078,812.22/581,644.60
  6. Step 6: Final answer
    x = 733,535.70

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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.