Home / 872,643.28-1,308,819.12-241,620.88

Finding the Fourth Proportional to 872,643.28, 1,308,819.12 and 241,620.88

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Solution

The fourth proportional to 872,643.28, 1,308,819.12 and 241,620.88 is: 362,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,643.28 : 1,308,819.12 = 241,620.88 : x
  2. Step 2: Convert to fraction form
    872,643.28/1,308,819.12 = 241,620.88/x
  3. Step 3: Cross multiply
    872,643.28x = 1,308,819.12 × 241,620.88
  4. Step 4: Simplify right side
    872,643.28x = 316,238,027,535.23
  5. Step 5: Solve for x
    x = 316,238,027,535.23/872,643.28
  6. Step 6: Final answer
    x = 362,390.95

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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.