Home / 805,263.93-1,207,010.10-331,690.95

Finding the Fourth Proportional to 805,263.93, 1,207,010.10 and 331,690.95

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Solution

The fourth proportional to 805,263.93, 1,207,010.10 and 331,690.95 is: 497,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,263.93 : 1,207,010.10 = 331,690.95 : x
  2. Step 2: Convert to fraction form
    805,263.93/1,207,010.10 = 331,690.95/x
  3. Step 3: Cross multiply
    805,263.93x = 1,207,010.10 × 331,690.95
  4. Step 4: Simplify right side
    805,263.93x = 400,354,326,728.60
  5. Step 5: Solve for x
    x = 400,354,326,728.60/805,263.93
  6. Step 6: Final answer
    x = 497,171.56

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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.