Home / 658,068.48-908,067.12-382,383.36

Finding the Fourth Proportional to 658,068.48, 908,067.12 and 382,383.36

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Solution

The fourth proportional to 658,068.48, 908,067.12 and 382,383.36 is: 527,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,068.48 : 908,067.12 = 382,383.36 : x
  2. Step 2: Convert to fraction form
    658,068.48/908,067.12 = 382,383.36/x
  3. Step 3: Cross multiply
    658,068.48x = 908,067.12 × 382,383.36
  4. Step 4: Simplify right side
    658,068.48x = 347,229,756,451.12
  5. Step 5: Solve for x
    x = 347,229,756,451.12/658,068.48
  6. Step 6: Final answer
    x = 527,649.88

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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.