Home / 866,031.48-1,298,715.12-297,306.59

Finding the Fourth Proportional to 866,031.48, 1,298,715.12 and 297,306.59

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Solution

The fourth proportional to 866,031.48, 1,298,715.12 and 297,306.59 is: 445,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,031.48 : 1,298,715.12 = 297,306.59 : x
  2. Step 2: Convert to fraction form
    866,031.48/1,298,715.12 = 297,306.59/x
  3. Step 3: Cross multiply
    866,031.48x = 1,298,715.12 × 297,306.59
  4. Step 4: Simplify right side
    866,031.48x = 386,116,557,215.07
  5. Step 5: Solve for x
    x = 386,116,557,215.07/866,031.48
  6. Step 6: Final answer
    x = 445,845.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.