Home / 717,913.46-1,077,288.82-268,949.72

Finding the Fourth Proportional to 717,913.46, 1,077,288.82 and 268,949.72

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Solution

The fourth proportional to 717,913.46, 1,077,288.82 and 268,949.72 is: 403,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,913.46 : 1,077,288.82 = 268,949.72 : x
  2. Step 2: Convert to fraction form
    717,913.46/1,077,288.82 = 268,949.72/x
  3. Step 3: Cross multiply
    717,913.46x = 1,077,288.82 × 268,949.72
  4. Step 4: Simplify right side
    717,913.46x = 289,736,526,498.13
  5. Step 5: Solve for x
    x = 289,736,526,498.13/717,913.46
  6. Step 6: Final answer
    x = 403,581.41

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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.