Home / 727,838.16-1,091,705.31-272,342.76

Finding the Fourth Proportional to 727,838.16, 1,091,705.31 and 272,342.76

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Solution

The fourth proportional to 727,838.16, 1,091,705.31 and 272,342.76 is: 408,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,838.16 : 1,091,705.31 = 272,342.76 : x
  2. Step 2: Convert to fraction form
    727,838.16/1,091,705.31 = 272,342.76/x
  3. Step 3: Cross multiply
    727,838.16x = 1,091,705.31 × 272,342.76
  4. Step 4: Simplify right side
    727,838.16x = 297,318,037,232.06
  5. Step 5: Solve for x
    x = 297,318,037,232.06/727,838.16
  6. Step 6: Final answer
    x = 408,494.71

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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.