Home / 872,639.28-1,308,813.12-241,616.88

Finding the Fourth Proportional to 872,639.28, 1,308,813.12 and 241,616.88

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Solution

The fourth proportional to 872,639.28, 1,308,813.12 and 241,616.88 is: 362,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,639.28 : 1,308,813.12 = 241,616.88 : x
  2. Step 2: Convert to fraction form
    872,639.28/1,308,813.12 = 241,616.88/x
  3. Step 3: Cross multiply
    872,639.28x = 1,308,813.12 × 241,616.88
  4. Step 4: Simplify right side
    872,639.28x = 316,231,342,557.47
  5. Step 5: Solve for x
    x = 316,231,342,557.47/872,639.28
  6. Step 6: Final answer
    x = 362,384.95

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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.