Home / 927,323.10-1,390,639.05-328,052.70

Finding the Fourth Proportional to 927,323.10, 1,390,639.05 and 328,052.70

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Solution

The fourth proportional to 927,323.10, 1,390,639.05 and 328,052.70 is: 491,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,323.10 : 1,390,639.05 = 328,052.70 : x
  2. Step 2: Convert to fraction form
    927,323.10/1,390,639.05 = 328,052.70/x
  3. Step 3: Cross multiply
    927,323.10x = 1,390,639.05 × 328,052.70
  4. Step 4: Simplify right side
    927,323.10x = 456,202,895,077.94
  5. Step 5: Solve for x
    x = 456,202,895,077.94/927,323.10
  6. Step 6: Final answer
    x = 491,956.79

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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.