Home / 611,979.12-844,179.48-382,137.48

Finding the Fourth Proportional to 611,979.12, 844,179.48 and 382,137.48

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Solution

The fourth proportional to 611,979.12, 844,179.48 and 382,137.48 is: 527,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,979.12 : 844,179.48 = 382,137.48 : x
  2. Step 2: Convert to fraction form
    611,979.12/844,179.48 = 382,137.48/x
  3. Step 3: Cross multiply
    611,979.12x = 844,179.48 × 382,137.48
  4. Step 4: Simplify right side
    611,979.12x = 322,592,619,154.91
  5. Step 5: Solve for x
    x = 322,592,619,154.91/611,979.12
  6. Step 6: Final answer
    x = 527,130.11

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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.