Home / 668,566.76-1,002,210.78-247,729.64

Finding the Fourth Proportional to 668,566.76, 1,002,210.78 and 247,729.64

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Solution

The fourth proportional to 668,566.76, 1,002,210.78 and 247,729.64 is: 371,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,566.76 : 1,002,210.78 = 247,729.64 : x
  2. Step 2: Convert to fraction form
    668,566.76/1,002,210.78 = 247,729.64/x
  3. Step 3: Cross multiply
    668,566.76x = 1,002,210.78 × 247,729.64
  4. Step 4: Simplify right side
    668,566.76x = 248,277,315,733.52
  5. Step 5: Solve for x
    x = 248,277,315,733.52/668,566.76
  6. Step 6: Final answer
    x = 371,357.55

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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.