Home / 903,123.57-1,354,512.68-453,719.91

Finding the Fourth Proportional to 903,123.57, 1,354,512.68 and 453,719.91

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Solution

The fourth proportional to 903,123.57, 1,354,512.68 and 453,719.91 is: 680,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,123.57 : 1,354,512.68 = 453,719.91 : x
  2. Step 2: Convert to fraction form
    903,123.57/1,354,512.68 = 453,719.91/x
  3. Step 3: Cross multiply
    903,123.57x = 1,354,512.68 × 453,719.91
  4. Step 4: Simplify right side
    903,123.57x = 614,569,365,625.20
  5. Step 5: Solve for x
    x = 614,569,365,625.20/903,123.57
  6. Step 6: Final answer
    x = 680,493.11

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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.