Home / 948,031.76-1,422,123.24-316,948.88

Finding the Fourth Proportional to 948,031.76, 1,422,123.24 and 316,948.88

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Solution

The fourth proportional to 948,031.76, 1,422,123.24 and 316,948.88 is: 475,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,031.76 : 1,422,123.24 = 316,948.88 : x
  2. Step 2: Convert to fraction form
    948,031.76/1,422,123.24 = 316,948.88/x
  3. Step 3: Cross multiply
    948,031.76x = 1,422,123.24 × 316,948.88
  4. Step 4: Simplify right side
    948,031.76x = 450,740,368,139.97
  5. Step 5: Solve for x
    x = 450,740,368,139.97/948,031.76
  6. Step 6: Final answer
    x = 475,448.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.