Home / 727,189.60-1,004,014.56-455,366.56

Finding the Fourth Proportional to 727,189.60, 1,004,014.56 and 455,366.56

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Solution

The fourth proportional to 727,189.60, 1,004,014.56 and 455,366.56 is: 628,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,189.60 : 1,004,014.56 = 455,366.56 : x
  2. Step 2: Convert to fraction form
    727,189.60/1,004,014.56 = 455,366.56/x
  3. Step 3: Cross multiply
    727,189.60x = 1,004,014.56 × 455,366.56
  4. Step 4: Simplify right side
    727,189.60x = 457,194,656,377.11
  5. Step 5: Solve for x
    x = 457,194,656,377.11/727,189.60
  6. Step 6: Final answer
    x = 628,714.51

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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.