Home / 762,286.68-1,144,115.28-560,139.84

Finding the Fourth Proportional to 762,286.68, 1,144,115.28 and 560,139.84

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Solution

The fourth proportional to 762,286.68, 1,144,115.28 and 560,139.84 is: 840,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,286.68 : 1,144,115.28 = 560,139.84 : x
  2. Step 2: Convert to fraction form
    762,286.68/1,144,115.28 = 560,139.84/x
  3. Step 3: Cross multiply
    762,286.68x = 1,144,115.28 × 560,139.84
  4. Step 4: Simplify right side
    762,286.68x = 640,864,549,880.76
  5. Step 5: Solve for x
    x = 640,864,549,880.76/762,286.68
  6. Step 6: Final answer
    x = 840,713.30

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Double scale
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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.