Home / 880,814.64-1,215,609.52-493,695.81

Finding the Fourth Proportional to 880,814.64, 1,215,609.52 and 493,695.81

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Solution

The fourth proportional to 880,814.64, 1,215,609.52 and 493,695.81 is: 681,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,814.64 : 1,215,609.52 = 493,695.81 : x
  2. Step 2: Convert to fraction form
    880,814.64/1,215,609.52 = 493,695.81/x
  3. Step 3: Cross multiply
    880,814.64x = 1,215,609.52 × 493,695.81
  4. Step 4: Simplify right side
    880,814.64x = 600,141,326,620.11
  5. Step 5: Solve for x
    x = 600,141,326,620.11/880,814.64
  6. Step 6: Final answer
    x = 681,348.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.