Home / 805,240.47-1,207,829.16-272,761.50

Finding the Fourth Proportional to 805,240.47, 1,207,829.16 and 272,761.50

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Solution

The fourth proportional to 805,240.47, 1,207,829.16 and 272,761.50 is: 409,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,240.47 : 1,207,829.16 = 272,761.50 : x
  2. Step 2: Convert to fraction form
    805,240.47/1,207,829.16 = 272,761.50/x
  3. Step 3: Cross multiply
    805,240.47x = 1,207,829.16 × 272,761.50
  4. Step 4: Simplify right side
    805,240.47x = 329,449,293,425.34
  5. Step 5: Solve for x
    x = 329,449,293,425.34/805,240.47
  6. Step 6: Final answer
    x = 409,131.56

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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.