Home / 747,662.30-1,121,657.48-368,764.55

Finding the Fourth Proportional to 747,662.30, 1,121,657.48 and 368,764.55

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Solution

The fourth proportional to 747,662.30, 1,121,657.48 and 368,764.55 is: 553,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,662.30 : 1,121,657.48 = 368,764.55 : x
  2. Step 2: Convert to fraction form
    747,662.30/1,121,657.48 = 368,764.55/x
  3. Step 3: Cross multiply
    747,662.30x = 1,121,657.48 × 368,764.55
  4. Step 4: Simplify right side
    747,662.30x = 413,627,514,022.51
  5. Step 5: Solve for x
    x = 413,627,514,022.51/747,662.30
  6. Step 6: Final answer
    x = 553,227.73

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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.