Home / 903,123.32-1,354,512.31-453,719.66

Finding the Fourth Proportional to 903,123.32, 1,354,512.31 and 453,719.66

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Solution

The fourth proportional to 903,123.32, 1,354,512.31 and 453,719.66 is: 680,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,123.32 : 1,354,512.31 = 453,719.66 : x
  2. Step 2: Convert to fraction form
    903,123.32/1,354,512.31 = 453,719.66/x
  3. Step 3: Cross multiply
    903,123.32x = 1,354,512.31 × 453,719.66
  4. Step 4: Simplify right side
    903,123.32x = 614,568,856,852.15
  5. Step 5: Solve for x
    x = 614,568,856,852.15/903,123.32
  6. Step 6: Final answer
    x = 680,492.74

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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.