Home / 718,065.36-1,077,125.37-268,738.92

Finding the Fourth Proportional to 718,065.36, 1,077,125.37 and 268,738.92

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Solution

The fourth proportional to 718,065.36, 1,077,125.37 and 268,738.92 is: 403,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,065.36 : 1,077,125.37 = 268,738.92 : x
  2. Step 2: Convert to fraction form
    718,065.36/1,077,125.37 = 268,738.92/x
  3. Step 3: Cross multiply
    718,065.36x = 1,077,125.37 × 268,738.92
  4. Step 4: Simplify right side
    718,065.36x = 289,465,508,638.40
  5. Step 5: Solve for x
    x = 289,465,508,638.40/718,065.36
  6. Step 6: Final answer
    x = 403,118.61

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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.