Home / 646,545.48-892,168.82-360,092.22

Finding the Fourth Proportional to 646,545.48, 892,168.82 and 360,092.22

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Solution

The fourth proportional to 646,545.48, 892,168.82 and 360,092.22 is: 496,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,545.48 : 892,168.82 = 360,092.22 : x
  2. Step 2: Convert to fraction form
    646,545.48/892,168.82 = 360,092.22/x
  3. Step 3: Cross multiply
    646,545.48x = 892,168.82 × 360,092.22
  4. Step 4: Simplify right side
    646,545.48x = 321,263,051,008.58
  5. Step 5: Solve for x
    x = 321,263,051,008.58/646,545.48
  6. Step 6: Final answer
    x = 496,891.65

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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.