Home / 755,356.78-1,132,480.32-355,772.44

Finding the Fourth Proportional to 755,356.78, 1,132,480.32 and 355,772.44

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Solution

The fourth proportional to 755,356.78, 1,132,480.32 and 355,772.44 is: 533,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,356.78 : 1,132,480.32 = 355,772.44 : x
  2. Step 2: Convert to fraction form
    755,356.78/1,132,480.32 = 355,772.44/x
  3. Step 3: Cross multiply
    755,356.78x = 1,132,480.32 × 355,772.44
  4. Step 4: Simplify right side
    755,356.78x = 402,905,286,698.38
  5. Step 5: Solve for x
    x = 402,905,286,698.38/755,356.78
  6. Step 6: Final answer
    x = 533,397.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.