Home / 731,108.48-1,008,924-408,819.20

Finding the Fourth Proportional to 731,108.48, 1,008,924 and 408,819.20

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Solution

The fourth proportional to 731,108.48, 1,008,924 and 408,819.20 is: 564,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,108.48 : 1,008,924 = 408,819.20 : x
  2. Step 2: Convert to fraction form
    731,108.48/1,008,924 = 408,819.20/x
  3. Step 3: Cross multiply
    731,108.48x = 1,008,924 × 408,819.20
  4. Step 4: Simplify right side
    731,108.48x = 412,467,502,540.80
  5. Step 5: Solve for x
    x = 412,467,502,540.80/731,108.48
  6. Step 6: Final answer
    x = 564,167.31

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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.