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Finding the Fourth Proportional to 559,094.80, 838,642.20 and 489,110.80

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Solution

The fourth proportional to 559,094.80, 838,642.20 and 489,110.80 is: 733,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,094.80 : 838,642.20 = 489,110.80 : x
  2. Step 2: Convert to fraction form
    559,094.80/838,642.20 = 489,110.80/x
  3. Step 3: Cross multiply
    559,094.80x = 838,642.20 × 489,110.80
  4. Step 4: Simplify right side
    559,094.80x = 410,188,957,355.76
  5. Step 5: Solve for x
    x = 410,188,957,355.76/559,094.80
  6. Step 6: Final answer
    x = 733,666.20

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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.