Home / 707,747.28-1,061,614.44-286,923.12

Finding the Fourth Proportional to 707,747.28, 1,061,614.44 and 286,923.12

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Solution

The fourth proportional to 707,747.28, 1,061,614.44 and 286,923.12 is: 430,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,747.28 : 1,061,614.44 = 286,923.12 : x
  2. Step 2: Convert to fraction form
    707,747.28/1,061,614.44 = 286,923.12/x
  3. Step 3: Cross multiply
    707,747.28x = 1,061,614.44 × 286,923.12
  4. Step 4: Simplify right side
    707,747.28x = 304,601,727,361.85
  5. Step 5: Solve for x
    x = 304,601,727,361.85/707,747.28
  6. Step 6: Final answer
    x = 430,382.05

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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.