Home / 722,492.68-996,941.22-400,123.24

Finding the Fourth Proportional to 722,492.68, 996,941.22 and 400,123.24

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Solution

The fourth proportional to 722,492.68, 996,941.22 and 400,123.24 is: 552,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,492.68 : 996,941.22 = 400,123.24 : x
  2. Step 2: Convert to fraction form
    722,492.68/996,941.22 = 400,123.24/x
  3. Step 3: Cross multiply
    722,492.68x = 996,941.22 × 400,123.24
  4. Step 4: Simplify right side
    722,492.68x = 398,899,351,035.95
  5. Step 5: Solve for x
    x = 398,899,351,035.95/722,492.68
  6. Step 6: Final answer
    x = 552,115.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.