Home / 772,442.70-1,156,914.45-457,514.70

Finding the Fourth Proportional to 772,442.70, 1,156,914.45 and 457,514.70

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Solution

The fourth proportional to 772,442.70, 1,156,914.45 and 457,514.70 is: 685,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,442.70 : 1,156,914.45 = 457,514.70 : x
  2. Step 2: Convert to fraction form
    772,442.70/1,156,914.45 = 457,514.70/x
  3. Step 3: Cross multiply
    772,442.70x = 1,156,914.45 × 457,514.70
  4. Step 4: Simplify right side
    772,442.70x = 529,305,367,517.42
  5. Step 5: Solve for x
    x = 529,305,367,517.42/772,442.70
  6. Step 6: Final answer
    x = 685,235.77

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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.