Home / 841,278.60-1,261,653.17-272,527.74

Finding the Fourth Proportional to 841,278.60, 1,261,653.17 and 272,527.74

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Solution

The fourth proportional to 841,278.60, 1,261,653.17 and 272,527.74 is: 408,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,278.60 : 1,261,653.17 = 272,527.74 : x
  2. Step 2: Convert to fraction form
    841,278.60/1,261,653.17 = 272,527.74/x
  3. Step 3: Cross multiply
    841,278.60x = 1,261,653.17 × 272,527.74
  4. Step 4: Simplify right side
    841,278.60x = 343,835,485,721.30
  5. Step 5: Solve for x
    x = 343,835,485,721.30/841,278.60
  6. Step 6: Final answer
    x = 408,705.85

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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.