Home / 880,208.40-1,320,156.53-400,323.80

Finding the Fourth Proportional to 880,208.40, 1,320,156.53 and 400,323.80

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Solution

The fourth proportional to 880,208.40, 1,320,156.53 and 400,323.80 is: 600,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,208.40 : 1,320,156.53 = 400,323.80 : x
  2. Step 2: Convert to fraction form
    880,208.40/1,320,156.53 = 400,323.80/x
  3. Step 3: Cross multiply
    880,208.40x = 1,320,156.53 × 400,323.80
  4. Step 4: Simplify right side
    880,208.40x = 528,490,070,082.01
  5. Step 5: Solve for x
    x = 528,490,070,082.01/880,208.40
  6. Step 6: Final answer
    x = 600,414.71

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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.