Home / 912,488.31-1,259,242.05-504,617.60

Finding the Fourth Proportional to 912,488.31, 1,259,242.05 and 504,617.60

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Solution

The fourth proportional to 912,488.31, 1,259,242.05 and 504,617.60 is: 696,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,488.31 : 1,259,242.05 = 504,617.60 : x
  2. Step 2: Convert to fraction form
    912,488.31/1,259,242.05 = 504,617.60/x
  3. Step 3: Cross multiply
    912,488.31x = 1,259,242.05 × 504,617.60
  4. Step 4: Simplify right side
    912,488.31x = 635,435,694,793.87
  5. Step 5: Solve for x
    x = 635,435,694,793.87/912,488.31
  6. Step 6: Final answer
    x = 696,376.81

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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.