Home / 824,932.98-1,136,700.68-663,138.72

Finding the Fourth Proportional to 824,932.98, 1,136,700.68 and 663,138.72

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Solution

The fourth proportional to 824,932.98, 1,136,700.68 and 663,138.72 is: 913,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,932.98 : 1,136,700.68 = 663,138.72 : x
  2. Step 2: Convert to fraction form
    824,932.98/1,136,700.68 = 663,138.72/x
  3. Step 3: Cross multiply
    824,932.98x = 1,136,700.68 × 663,138.72
  4. Step 4: Simplify right side
    824,932.98x = 753,790,230,642.64
  5. Step 5: Solve for x
    x = 753,790,230,642.64/824,932.98
  6. Step 6: Final answer
    x = 913,759.36

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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.