Home / 475,118.28-711,685.68-284,975.64

Finding the Fourth Proportional to 475,118.28, 711,685.68 and 284,975.64

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Solution

The fourth proportional to 475,118.28, 711,685.68 and 284,975.64 is: 426,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,118.28 : 711,685.68 = 284,975.64 : x
  2. Step 2: Convert to fraction form
    475,118.28/711,685.68 = 284,975.64/x
  3. Step 3: Cross multiply
    475,118.28x = 711,685.68 × 284,975.64
  4. Step 4: Simplify right side
    475,118.28x = 202,813,082,136.84
  5. Step 5: Solve for x
    x = 202,813,082,136.84/475,118.28
  6. Step 6: Final answer
    x = 426,868.61

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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.