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Finding the Fourth Proportional to 646,755.48, 892,550.16 and 360,275.76

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Solution

The fourth proportional to 646,755.48, 892,550.16 and 360,275.76 is: 497,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,755.48 : 892,550.16 = 360,275.76 : x
  2. Step 2: Convert to fraction form
    646,755.48/892,550.16 = 360,275.76/x
  3. Step 3: Cross multiply
    646,755.48x = 892,550.16 × 360,275.76
  4. Step 4: Simplify right side
    646,755.48x = 321,564,187,232.12
  5. Step 5: Solve for x
    x = 321,564,187,232.12/646,755.48
  6. Step 6: Final answer
    x = 497,195.92

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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.