Home / 657,348.20-985,446.30-446,301.80

Finding the Fourth Proportional to 657,348.20, 985,446.30 and 446,301.80

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Solution

The fourth proportional to 657,348.20, 985,446.30 and 446,301.80 is: 669,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,348.20 : 985,446.30 = 446,301.80 : x
  2. Step 2: Convert to fraction form
    657,348.20/985,446.30 = 446,301.80/x
  3. Step 3: Cross multiply
    657,348.20x = 985,446.30 × 446,301.80
  4. Step 4: Simplify right side
    657,348.20x = 439,806,457,493.34
  5. Step 5: Solve for x
    x = 439,806,457,493.34/657,348.20
  6. Step 6: Final answer
    x = 669,061.63

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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.