Home / 852,972.11-1,279,030.33-284,153.23

Finding the Fourth Proportional to 852,972.11, 1,279,030.33 and 284,153.23

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Solution

The fourth proportional to 852,972.11, 1,279,030.33 and 284,153.23 is: 426,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,972.11 : 1,279,030.33 = 284,153.23 : x
  2. Step 2: Convert to fraction form
    852,972.11/1,279,030.33 = 284,153.23/x
  3. Step 3: Cross multiply
    852,972.11x = 1,279,030.33 × 284,153.23
  4. Step 4: Simplify right side
    852,972.11x = 363,440,601,491.45
  5. Step 5: Solve for x
    x = 363,440,601,491.45/852,972.11
  6. Step 6: Final answer
    x = 426,087.32

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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.