Home / 948,427.29-1,309,039.85-654,489.57

Finding the Fourth Proportional to 948,427.29, 1,309,039.85 and 654,489.57

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Solution

The fourth proportional to 948,427.29, 1,309,039.85 and 654,489.57 is: 903,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,427.29 : 1,309,039.85 = 654,489.57 : x
  2. Step 2: Convert to fraction form
    948,427.29/1,309,039.85 = 654,489.57/x
  3. Step 3: Cross multiply
    948,427.29x = 1,309,039.85 × 654,489.57
  4. Step 4: Simplify right side
    948,427.29x = 856,752,925,266.92
  5. Step 5: Solve for x
    x = 856,752,925,266.92/948,427.29
  6. Step 6: Final answer
    x = 903,340.65

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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.