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Finding the Fourth Proportional to 516,920.94, 775,382.10 and 250,720.68

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Solution

The fourth proportional to 516,920.94, 775,382.10 and 250,720.68 is: 376,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,920.94 : 775,382.10 = 250,720.68 : x
  2. Step 2: Convert to fraction form
    516,920.94/775,382.10 = 250,720.68/x
  3. Step 3: Cross multiply
    516,920.94x = 775,382.10 × 250,720.68
  4. Step 4: Simplify right side
    516,920.94x = 194,404,327,371.83
  5. Step 5: Solve for x
    x = 194,404,327,371.83/516,920.94
  6. Step 6: Final answer
    x = 376,081.35

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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.