Home / 912,366.60-1,259,043.60-504,458.06

Finding the Fourth Proportional to 912,366.60, 1,259,043.60 and 504,458.06

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Solution

The fourth proportional to 912,366.60, 1,259,043.60 and 504,458.06 is: 696,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,366.60 : 1,259,043.60 = 504,458.06 : x
  2. Step 2: Convert to fraction form
    912,366.60/1,259,043.60 = 504,458.06/x
  3. Step 3: Cross multiply
    912,366.60x = 1,259,043.60 × 504,458.06
  4. Step 4: Simplify right side
    912,366.60x = 635,134,691,911.42
  5. Step 5: Solve for x
    x = 635,134,691,911.42/912,366.60
  6. Step 6: Final answer
    x = 696,139.79

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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.