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Finding the Fourth Proportional to 576,281.20, 864,413.70 and 260,737.60

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Solution

The fourth proportional to 576,281.20, 864,413.70 and 260,737.60 is: 391,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,281.20 : 864,413.70 = 260,737.60 : x
  2. Step 2: Convert to fraction form
    576,281.20/864,413.70 = 260,737.60/x
  3. Step 3: Cross multiply
    576,281.20x = 864,413.70 × 260,737.60
  4. Step 4: Simplify right side
    576,281.20x = 225,385,153,545.12
  5. Step 5: Solve for x
    x = 225,385,153,545.12/576,281.20
  6. Step 6: Final answer
    x = 391,102.74

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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.