Home / 949,125.60-1,309,793.40-519,405.96

Finding the Fourth Proportional to 949,125.60, 1,309,793.40 and 519,405.96

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Solution

The fourth proportional to 949,125.60, 1,309,793.40 and 519,405.96 is: 716,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,125.60 : 1,309,793.40 = 519,405.96 : x
  2. Step 2: Convert to fraction form
    949,125.60/1,309,793.40 = 519,405.96/x
  3. Step 3: Cross multiply
    949,125.60x = 1,309,793.40 × 519,405.96
  4. Step 4: Simplify right side
    949,125.60x = 680,314,498,328.66
  5. Step 5: Solve for x
    x = 680,314,498,328.66/949,125.60
  6. Step 6: Final answer
    x = 716,780.26

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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.