Home / 747,442.73-1,121,342.29-242,003.86

Finding the Fourth Proportional to 747,442.73, 1,121,342.29 and 242,003.86

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Solution

The fourth proportional to 747,442.73, 1,121,342.29 and 242,003.86 is: 363,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,442.73 : 1,121,342.29 = 242,003.86 : x
  2. Step 2: Convert to fraction form
    747,442.73/1,121,342.29 = 242,003.86/x
  3. Step 3: Cross multiply
    747,442.73x = 1,121,342.29 × 242,003.86
  4. Step 4: Simplify right side
    747,442.73x = 271,369,158,547.86
  5. Step 5: Solve for x
    x = 271,369,158,547.86/747,442.73
  6. Step 6: Final answer
    x = 363,063.48

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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.