Home / 588,556.28-812,151.48-330,374.06

Finding the Fourth Proportional to 588,556.28, 812,151.48 and 330,374.06

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Solution

The fourth proportional to 588,556.28, 812,151.48 and 330,374.06 is: 455,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,556.28 : 812,151.48 = 330,374.06 : x
  2. Step 2: Convert to fraction form
    588,556.28/812,151.48 = 330,374.06/x
  3. Step 3: Cross multiply
    588,556.28x = 812,151.48 × 330,374.06
  4. Step 4: Simplify right side
    588,556.28x = 268,313,781,782.61
  5. Step 5: Solve for x
    x = 268,313,781,782.61/588,556.28
  6. Step 6: Final answer
    x = 455,884.66

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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.