Home / 864,721.17-1,193,312.25-482,744.61

Finding the Fourth Proportional to 864,721.17, 1,193,312.25 and 482,744.61

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Solution

The fourth proportional to 864,721.17, 1,193,312.25 and 482,744.61 is: 666,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,721.17 : 1,193,312.25 = 482,744.61 : x
  2. Step 2: Convert to fraction form
    864,721.17/1,193,312.25 = 482,744.61/x
  3. Step 3: Cross multiply
    864,721.17x = 1,193,312.25 × 482,744.61
  4. Step 4: Simplify right side
    864,721.17x = 576,065,056,734.47
  5. Step 5: Solve for x
    x = 576,065,056,734.47/864,721.17
  6. Step 6: Final answer
    x = 666,185.91

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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.