Home / 752,417.86-1,128,604.91-219,951.40

Finding the Fourth Proportional to 752,417.86, 1,128,604.91 and 219,951.40

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Solution

The fourth proportional to 752,417.86, 1,128,604.91 and 219,951.40 is: 329,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,417.86 : 1,128,604.91 = 219,951.40 : x
  2. Step 2: Convert to fraction form
    752,417.86/1,128,604.91 = 219,951.40/x
  3. Step 3: Cross multiply
    752,417.86x = 1,128,604.91 × 219,951.40
  4. Step 4: Simplify right side
    752,417.86x = 248,238,230,001.37
  5. Step 5: Solve for x
    x = 248,238,230,001.37/752,417.86
  6. Step 6: Final answer
    x = 329,920.70

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1.5x scale

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.