Home / 922,111.68-1,381,327.20-447,356.64

Finding the Fourth Proportional to 922,111.68, 1,381,327.20 and 447,356.64

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Solution

The fourth proportional to 922,111.68, 1,381,327.20 and 447,356.64 is: 670,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,111.68 : 1,381,327.20 = 447,356.64 : x
  2. Step 2: Convert to fraction form
    922,111.68/1,381,327.20 = 447,356.64/x
  3. Step 3: Cross multiply
    922,111.68x = 1,381,327.20 × 447,356.64
  4. Step 4: Simplify right side
    922,111.68x = 617,945,894,932.61
  5. Step 5: Solve for x
    x = 617,945,894,932.61/922,111.68
  6. Step 6: Final answer
    x = 670,142.14

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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.