Home / 901,207.20-1,243,654.88-487,734.35

Finding the Fourth Proportional to 901,207.20, 1,243,654.88 and 487,734.35

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Solution

The fourth proportional to 901,207.20, 1,243,654.88 and 487,734.35 is: 673,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,207.20 : 1,243,654.88 = 487,734.35 : x
  2. Step 2: Convert to fraction form
    901,207.20/1,243,654.88 = 487,734.35/x
  3. Step 3: Cross multiply
    901,207.20x = 1,243,654.88 × 487,734.35
  4. Step 4: Simplify right side
    901,207.20x = 606,573,204,521.13
  5. Step 5: Solve for x
    x = 606,573,204,521.13/901,207.20
  6. Step 6: Final answer
    x = 673,067.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.