Home / 445,849.40-668,961.70-277,510.56

Finding the Fourth Proportional to 445,849.40, 668,961.70 and 277,510.56

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Solution

The fourth proportional to 445,849.40, 668,961.70 and 277,510.56 is: 416,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,849.40 : 668,961.70 = 277,510.56 : x
  2. Step 2: Convert to fraction form
    445,849.40/668,961.70 = 277,510.56/x
  3. Step 3: Cross multiply
    445,849.40x = 668,961.70 × 277,510.56
  4. Step 4: Simplify right side
    445,849.40x = 185,643,935,985.55
  5. Step 5: Solve for x
    x = 185,643,935,985.55/445,849.40
  6. Step 6: Final answer
    x = 416,382.61

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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.