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Finding the Fourth Proportional to 790,497.72, 1,091,413.62 and 532,758

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Solution

The fourth proportional to 790,497.72, 1,091,413.62 and 532,758 is: 735,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,497.72 : 1,091,413.62 = 532,758 : x
  2. Step 2: Convert to fraction form
    790,497.72/1,091,413.62 = 532,758/x
  3. Step 3: Cross multiply
    790,497.72x = 1,091,413.62 × 532,758
  4. Step 4: Simplify right side
    790,497.72x = 581,459,337,363.96
  5. Step 5: Solve for x
    x = 581,459,337,363.96/790,497.72
  6. Step 6: Final answer
    x = 735,561.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.