Home / 510,934.80-705,102.48-284,584.08

Finding the Fourth Proportional to 510,934.80, 705,102.48 and 284,584.08

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Solution

The fourth proportional to 510,934.80, 705,102.48 and 284,584.08 is: 392,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,934.80 : 705,102.48 = 284,584.08 : x
  2. Step 2: Convert to fraction form
    510,934.80/705,102.48 = 284,584.08/x
  3. Step 3: Cross multiply
    510,934.80x = 705,102.48 × 284,584.08
  4. Step 4: Simplify right side
    510,934.80x = 200,660,940,576.52
  5. Step 5: Solve for x
    x = 200,660,940,576.52/510,934.80
  6. Step 6: Final answer
    x = 392,732.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.