Home / 748,823.40-1,123,380.90-322,358.40

Finding the Fourth Proportional to 748,823.40, 1,123,380.90 and 322,358.40

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Solution

The fourth proportional to 748,823.40, 1,123,380.90 and 322,358.40 is: 483,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,823.40 : 1,123,380.90 = 322,358.40 : x
  2. Step 2: Convert to fraction form
    748,823.40/1,123,380.90 = 322,358.40/x
  3. Step 3: Cross multiply
    748,823.40x = 1,123,380.90 × 322,358.40
  4. Step 4: Simplify right side
    748,823.40x = 362,131,269,514.56
  5. Step 5: Solve for x
    x = 362,131,269,514.56/748,823.40
  6. Step 6: Final answer
    x = 483,600.36

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1.5x scale

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.