Home / 852,689.29-1,176,713.77-465,505.32

Finding the Fourth Proportional to 852,689.29, 1,176,713.77 and 465,505.32

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Solution

The fourth proportional to 852,689.29, 1,176,713.77 and 465,505.32 is: 642,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,689.29 : 1,176,713.77 = 465,505.32 : x
  2. Step 2: Convert to fraction form
    852,689.29/1,176,713.77 = 465,505.32/x
  3. Step 3: Cross multiply
    852,689.29x = 1,176,713.77 × 465,505.32
  4. Step 4: Simplify right side
    852,689.29x = 547,766,520,052.26
  5. Step 5: Solve for x
    x = 547,766,520,052.26/852,689.29
  6. Step 6: Final answer
    x = 642,398.73

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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.