Home / 757,781.25-1,137,155.85-358,445.58

Finding the Fourth Proportional to 757,781.25, 1,137,155.85 and 358,445.58

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Solution

The fourth proportional to 757,781.25, 1,137,155.85 and 358,445.58 is: 537,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,781.25 : 1,137,155.85 = 358,445.58 : x
  2. Step 2: Convert to fraction form
    757,781.25/1,137,155.85 = 358,445.58/x
  3. Step 3: Cross multiply
    757,781.25x = 1,137,155.85 × 358,445.58
  4. Step 4: Simplify right side
    757,781.25x = 407,608,488,203.64
  5. Step 5: Solve for x
    x = 407,608,488,203.64/757,781.25
  6. Step 6: Final answer
    x = 537,897.30

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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.