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Finding the Fourth Proportional to 805,955.34, 1,207,348.11 and 468,287.22

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Solution

The fourth proportional to 805,955.34, 1,207,348.11 and 468,287.22 is: 701,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,955.34 : 1,207,348.11 = 468,287.22 : x
  2. Step 2: Convert to fraction form
    805,955.34/1,207,348.11 = 468,287.22/x
  3. Step 3: Cross multiply
    805,955.34x = 1,207,348.11 × 468,287.22
  4. Step 4: Simplify right side
    805,955.34x = 565,385,690,004.15
  5. Step 5: Solve for x
    x = 565,385,690,004.15/805,955.34
  6. Step 6: Final answer
    x = 701,509.95

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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.