Home / 755,642.04-1,042,473.06-449,657.16

Finding the Fourth Proportional to 755,642.04, 1,042,473.06 and 449,657.16

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Solution

The fourth proportional to 755,642.04, 1,042,473.06 and 449,657.16 is: 620,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,642.04 : 1,042,473.06 = 449,657.16 : x
  2. Step 2: Convert to fraction form
    755,642.04/1,042,473.06 = 449,657.16/x
  3. Step 3: Cross multiply
    755,642.04x = 1,042,473.06 × 449,657.16
  4. Step 4: Simplify right side
    755,642.04x = 468,755,475,536.11
  5. Step 5: Solve for x
    x = 468,755,475,536.11/755,642.04
  6. Step 6: Final answer
    x = 620,340.65

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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.