Home / 497,764.95-686,956.46-282,972.39

Finding the Fourth Proportional to 497,764.95, 686,956.46 and 282,972.39

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Solution

The fourth proportional to 497,764.95, 686,956.46 and 282,972.39 is: 390,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,764.95 : 686,956.46 = 282,972.39 : x
  2. Step 2: Convert to fraction form
    497,764.95/686,956.46 = 282,972.39/x
  3. Step 3: Cross multiply
    497,764.95x = 686,956.46 × 282,972.39
  4. Step 4: Simplify right side
    497,764.95x = 194,389,709,897.28
  5. Step 5: Solve for x
    x = 194,389,709,897.28/497,764.95
  6. Step 6: Final answer
    x = 390,525.11

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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.