Home / 949,638.25-1,310,500.18-519,918.27

Finding the Fourth Proportional to 949,638.25, 1,310,500.18 and 519,918.27

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Solution

The fourth proportional to 949,638.25, 1,310,500.18 and 519,918.27 is: 717,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,638.25 : 1,310,500.18 = 519,918.27 : x
  2. Step 2: Convert to fraction form
    949,638.25/1,310,500.18 = 519,918.27/x
  3. Step 3: Cross multiply
    949,638.25x = 1,310,500.18 × 519,918.27
  4. Step 4: Simplify right side
    949,638.25x = 681,352,986,420.29
  5. Step 5: Solve for x
    x = 681,352,986,420.29/949,638.25
  6. Step 6: Final answer
    x = 717,486.88

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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.