Home / 912,287.64-1,258,948.71-504,399.84

Finding the Fourth Proportional to 912,287.64, 1,258,948.71 and 504,399.84

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Solution

The fourth proportional to 912,287.64, 1,258,948.71 and 504,399.84 is: 696,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,287.64 : 1,258,948.71 = 504,399.84 : x
  2. Step 2: Convert to fraction form
    912,287.64/1,258,948.71 = 504,399.84/x
  3. Step 3: Cross multiply
    912,287.64x = 1,258,948.71 × 504,399.84
  4. Step 4: Simplify right side
    912,287.64x = 635,013,527,892.21
  5. Step 5: Solve for x
    x = 635,013,527,892.21/912,287.64
  6. Step 6: Final answer
    x = 696,067.23

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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.