Home / 959,416.82-1,438,862.52-360,331.64

Finding the Fourth Proportional to 959,416.82, 1,438,862.52 and 360,331.64

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Solution

The fourth proportional to 959,416.82, 1,438,862.52 and 360,331.64 is: 540,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,416.82 : 1,438,862.52 = 360,331.64 : x
  2. Step 2: Convert to fraction form
    959,416.82/1,438,862.52 = 360,331.64/x
  3. Step 3: Cross multiply
    959,416.82x = 1,438,862.52 × 360,331.64
  4. Step 4: Simplify right side
    959,416.82x = 518,467,691,566.13
  5. Step 5: Solve for x
    x = 518,467,691,566.13/959,416.82
  6. Step 6: Final answer
    x = 540,398.79

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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.