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Finding the Fourth Proportional to 440,371.72, 607,714.14 and 259,090.48

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Solution

The fourth proportional to 440,371.72, 607,714.14 and 259,090.48 is: 357,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,371.72 : 607,714.14 = 259,090.48 : x
  2. Step 2: Convert to fraction form
    440,371.72/607,714.14 = 259,090.48/x
  3. Step 3: Cross multiply
    440,371.72x = 607,714.14 × 259,090.48
  4. Step 4: Simplify right side
    440,371.72x = 157,452,948,235.39
  5. Step 5: Solve for x
    x = 157,452,948,235.39/440,371.72
  6. Step 6: Final answer
    x = 357,545.55

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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.