Home / 653,134.41-979,691.40-460,211.22

Finding the Fourth Proportional to 653,134.41, 979,691.40 and 460,211.22

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Solution

The fourth proportional to 653,134.41, 979,691.40 and 460,211.22 is: 690,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,134.41 : 979,691.40 = 460,211.22 : x
  2. Step 2: Convert to fraction form
    653,134.41/979,691.40 = 460,211.22/x
  3. Step 3: Cross multiply
    653,134.41x = 979,691.40 × 460,211.22
  4. Step 4: Simplify right side
    653,134.41x = 450,864,974,417.51
  5. Step 5: Solve for x
    x = 450,864,974,417.51/653,134.41
  6. Step 6: Final answer
    x = 690,309.63

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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.