Home / 511,799.21-706,278.96-282,366.17

Finding the Fourth Proportional to 511,799.21, 706,278.96 and 282,366.17

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Solution

The fourth proportional to 511,799.21, 706,278.96 and 282,366.17 is: 389,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,799.21 : 706,278.96 = 282,366.17 : x
  2. Step 2: Convert to fraction form
    511,799.21/706,278.96 = 282,366.17/x
  3. Step 3: Cross multiply
    511,799.21x = 706,278.96 × 282,366.17
  4. Step 4: Simplify right side
    511,799.21x = 199,429,281,355.39
  5. Step 5: Solve for x
    x = 199,429,281,355.39/511,799.21
  6. Step 6: Final answer
    x = 389,663.13

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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.