Home / 772,023.18-1,157,979.15-239,530.50

Finding the Fourth Proportional to 772,023.18, 1,157,979.15 and 239,530.50

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Solution

The fourth proportional to 772,023.18, 1,157,979.15 and 239,530.50 is: 359,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,023.18 : 1,157,979.15 = 239,530.50 : x
  2. Step 2: Convert to fraction form
    772,023.18/1,157,979.15 = 239,530.50/x
  3. Step 3: Cross multiply
    772,023.18x = 1,157,979.15 × 239,530.50
  4. Step 4: Simplify right side
    772,023.18x = 277,371,324,789.08
  5. Step 5: Solve for x
    x = 277,371,324,789.08/772,023.18
  6. Step 6: Final answer
    x = 359,278.49

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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.