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Finding the Fourth Proportional to 499,234.80, 748,852.20 and 496,124.40

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Solution

The fourth proportional to 499,234.80, 748,852.20 and 496,124.40 is: 744,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,234.80 : 748,852.20 = 496,124.40 : x
  2. Step 2: Convert to fraction form
    499,234.80/748,852.20 = 496,124.40/x
  3. Step 3: Cross multiply
    499,234.80x = 748,852.20 × 496,124.40
  4. Step 4: Simplify right side
    499,234.80x = 371,523,848,413.68
  5. Step 5: Solve for x
    x = 371,523,848,413.68/499,234.80
  6. Step 6: Final answer
    x = 744,186.60

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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.