Home / 646,631.44-892,379.08-360,151.60

Finding the Fourth Proportional to 646,631.44, 892,379.08 and 360,151.60

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Solution

The fourth proportional to 646,631.44, 892,379.08 and 360,151.60 is: 497,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,631.44 : 892,379.08 = 360,151.60 : x
  2. Step 2: Convert to fraction form
    646,631.44/892,379.08 = 360,151.60/x
  3. Step 3: Cross multiply
    646,631.44x = 892,379.08 × 360,151.60
  4. Step 4: Simplify right side
    646,631.44x = 321,391,753,468.53
  5. Step 5: Solve for x
    x = 321,391,753,468.53/646,631.44
  6. Step 6: Final answer
    x = 497,024.63

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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.