Home / 898,651.28-1,347,988.83-299,612.63

Finding the Fourth Proportional to 898,651.28, 1,347,988.83 and 299,612.63

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Solution

The fourth proportional to 898,651.28, 1,347,988.83 and 299,612.63 is: 449,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,651.28 : 1,347,988.83 = 299,612.63 : x
  2. Step 2: Convert to fraction form
    898,651.28/1,347,988.83 = 299,612.63/x
  3. Step 3: Cross multiply
    898,651.28x = 1,347,988.83 × 299,612.63
  4. Step 4: Simplify right side
    898,651.28x = 403,874,471,826.98
  5. Step 5: Solve for x
    x = 403,874,471,826.98/898,651.28
  6. Step 6: Final answer
    x = 449,422.91

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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.