Home / 677,117.11-1,015,357.34-250,358.08

Finding the Fourth Proportional to 677,117.11, 1,015,357.34 and 250,358.08

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Solution

The fourth proportional to 677,117.11, 1,015,357.34 and 250,358.08 is: 375,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,117.11 : 1,015,357.34 = 250,358.08 : x
  2. Step 2: Convert to fraction form
    677,117.11/1,015,357.34 = 250,358.08/x
  3. Step 3: Cross multiply
    677,117.11x = 1,015,357.34 × 250,358.08
  4. Step 4: Simplify right side
    677,117.11x = 254,202,912,904.52
  5. Step 5: Solve for x
    x = 254,202,912,904.52/677,117.11
  6. Step 6: Final answer
    x = 375,419.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.