Home / 949,379.94-1,310,146.25-519,687.50

Finding the Fourth Proportional to 949,379.94, 1,310,146.25 and 519,687.50

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Solution

The fourth proportional to 949,379.94, 1,310,146.25 and 519,687.50 is: 717,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,379.94 : 1,310,146.25 = 519,687.50 : x
  2. Step 2: Convert to fraction form
    949,379.94/1,310,146.25 = 519,687.50/x
  3. Step 3: Cross multiply
    949,379.94x = 1,310,146.25 × 519,687.50
  4. Step 4: Simplify right side
    949,379.94x = 680,866,620,147.71
  5. Step 5: Solve for x
    x = 680,866,620,147.71/949,379.94
  6. Step 6: Final answer
    x = 717,169.80

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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.