Home / 852,540.74-1,176,534.71-465,379.11

Finding the Fourth Proportional to 852,540.74, 1,176,534.71 and 465,379.11

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Solution

The fourth proportional to 852,540.74, 1,176,534.71 and 465,379.11 is: 642,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,540.74 : 1,176,534.71 = 465,379.11 : x
  2. Step 2: Convert to fraction form
    852,540.74/1,176,534.71 = 465,379.11/x
  3. Step 3: Cross multiply
    852,540.74x = 1,176,534.71 × 465,379.11
  4. Step 4: Simplify right side
    852,540.74x = 547,534,676,223.91
  5. Step 5: Solve for x
    x = 547,534,676,223.91/852,540.74
  6. Step 6: Final answer
    x = 642,238.72

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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.