Home / 842,672.45-1,162,887.89-460,699.13

Finding the Fourth Proportional to 842,672.45, 1,162,887.89 and 460,699.13

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Solution

The fourth proportional to 842,672.45, 1,162,887.89 and 460,699.13 is: 635,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,672.45 : 1,162,887.89 = 460,699.13 : x
  2. Step 2: Convert to fraction form
    842,672.45/1,162,887.89 = 460,699.13/x
  3. Step 3: Cross multiply
    842,672.45x = 1,162,887.89 × 460,699.13
  4. Step 4: Simplify right side
    842,672.45x = 535,741,431,092.60
  5. Step 5: Solve for x
    x = 535,741,431,092.60/842,672.45
  6. Step 6: Final answer
    x = 635,764.74

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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.