Home / 949,666.21-1,310,487.46-519,863.20

Finding the Fourth Proportional to 949,666.21, 1,310,487.46 and 519,863.20

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Solution

The fourth proportional to 949,666.21, 1,310,487.46 and 519,863.20 is: 717,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,666.21 : 1,310,487.46 = 519,863.20 : x
  2. Step 2: Convert to fraction form
    949,666.21/1,310,487.46 = 519,863.20/x
  3. Step 3: Cross multiply
    949,666.21x = 1,310,487.46 × 519,863.20
  4. Step 4: Simplify right side
    949,666.21x = 681,274,199,939.60
  5. Step 5: Solve for x
    x = 681,274,199,939.60/949,666.21
  6. Step 6: Final answer
    x = 717,382.80

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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.