Home / 755,247.15-1,042,155.59-445,129.47

Finding the Fourth Proportional to 755,247.15, 1,042,155.59 and 445,129.47

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Solution

The fourth proportional to 755,247.15, 1,042,155.59 and 445,129.47 is: 614,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,247.15 : 1,042,155.59 = 445,129.47 : x
  2. Step 2: Convert to fraction form
    755,247.15/1,042,155.59 = 445,129.47/x
  3. Step 3: Cross multiply
    755,247.15x = 1,042,155.59 × 445,129.47
  4. Step 4: Simplify right side
    755,247.15x = 463,894,163,208.59
  5. Step 5: Solve for x
    x = 463,894,163,208.59/755,247.15
  6. Step 6: Final answer
    x = 614,228.29

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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.