Home / 949,990.38-1,310,957.37-520,259.46

Finding the Fourth Proportional to 949,990.38, 1,310,957.37 and 520,259.46

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Solution

The fourth proportional to 949,990.38, 1,310,957.37 and 520,259.46 is: 717,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,990.38 : 1,310,957.37 = 520,259.46 : x
  2. Step 2: Convert to fraction form
    949,990.38/1,310,957.37 = 520,259.46/x
  3. Step 3: Cross multiply
    949,990.38x = 1,310,957.37 × 520,259.46
  4. Step 4: Simplify right side
    949,990.38x = 682,037,973,399.22
  5. Step 5: Solve for x
    x = 682,037,973,399.22/949,990.38
  6. Step 6: Final answer
    x = 717,941.98

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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.