Home / 948,049.71-1,422,060.28-308,382.58

Finding the Fourth Proportional to 948,049.71, 1,422,060.28 and 308,382.58

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Solution

The fourth proportional to 948,049.71, 1,422,060.28 and 308,382.58 is: 462,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,049.71 : 1,422,060.28 = 308,382.58 : x
  2. Step 2: Convert to fraction form
    948,049.71/1,422,060.28 = 308,382.58/x
  3. Step 3: Cross multiply
    948,049.71x = 1,422,060.28 × 308,382.58
  4. Step 4: Simplify right side
    948,049.71x = 438,538,618,061.92
  5. Step 5: Solve for x
    x = 438,538,618,061.92/948,049.71
  6. Step 6: Final answer
    x = 462,569.22

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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.