Home / 914,409.21-1,372,499.55-441,426.72

Finding the Fourth Proportional to 914,409.21, 1,372,499.55 and 441,426.72

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Solution

The fourth proportional to 914,409.21, 1,372,499.55 and 441,426.72 is: 662,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,409.21 : 1,372,499.55 = 441,426.72 : x
  2. Step 2: Convert to fraction form
    914,409.21/1,372,499.55 = 441,426.72/x
  3. Step 3: Cross multiply
    914,409.21x = 1,372,499.55 × 441,426.72
  4. Step 4: Simplify right side
    914,409.21x = 605,857,974,557.98
  5. Step 5: Solve for x
    x = 605,857,974,557.98/914,409.21
  6. Step 6: Final answer
    x = 662,567.66

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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.