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Finding the Fourth Proportional to 576,072.30, 864,108.45 and 543,413.10

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Solution

The fourth proportional to 576,072.30, 864,108.45 and 543,413.10 is: 815,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,072.30 : 864,108.45 = 543,413.10 : x
  2. Step 2: Convert to fraction form
    576,072.30/864,108.45 = 543,413.10/x
  3. Step 3: Cross multiply
    576,072.30x = 864,108.45 × 543,413.10
  4. Step 4: Simplify right side
    576,072.30x = 469,567,851,550.70
  5. Step 5: Solve for x
    x = 469,567,851,550.70/576,072.30
  6. Step 6: Final answer
    x = 815,119.65

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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.