Home / 880,815.64-1,215,610.90-493,696.81

Finding the Fourth Proportional to 880,815.64, 1,215,610.90 and 493,696.81

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Solution

The fourth proportional to 880,815.64, 1,215,610.90 and 493,696.81 is: 681,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,815.64 : 1,215,610.90 = 493,696.81 : x
  2. Step 2: Convert to fraction form
    880,815.64/1,215,610.90 = 493,696.81/x
  3. Step 3: Cross multiply
    880,815.64x = 1,215,610.90 × 493,696.81
  4. Step 4: Simplify right side
    880,815.64x = 600,143,223,531.23
  5. Step 5: Solve for x
    x = 600,143,223,531.23/880,815.64
  6. Step 6: Final answer
    x = 681,349.42

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1.5x scale

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.