Home / 646,600.29-892,335.92-360,120.38

Finding the Fourth Proportional to 646,600.29, 892,335.92 and 360,120.38

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Solution

The fourth proportional to 646,600.29, 892,335.92 and 360,120.38 is: 496,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,600.29 : 892,335.92 = 360,120.38 : x
  2. Step 2: Convert to fraction form
    646,600.29/892,335.92 = 360,120.38/x
  3. Step 3: Cross multiply
    646,600.29x = 892,335.92 × 360,120.38
  4. Step 4: Simplify right side
    646,600.29x = 321,348,344,335.77
  5. Step 5: Solve for x
    x = 321,348,344,335.77/646,600.29
  6. Step 6: Final answer
    x = 496,981.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.