Home / 465,377.13-642,279.83-284,050.26

Finding the Fourth Proportional to 465,377.13, 642,279.83 and 284,050.26

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Solution

The fourth proportional to 465,377.13, 642,279.83 and 284,050.26 is: 392,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,377.13 : 642,279.83 = 284,050.26 : x
  2. Step 2: Convert to fraction form
    465,377.13/642,279.83 = 284,050.26/x
  3. Step 3: Cross multiply
    465,377.13x = 642,279.83 × 284,050.26
  4. Step 4: Simplify right side
    465,377.13x = 182,439,751,284.01
  5. Step 5: Solve for x
    x = 182,439,751,284.01/465,377.13
  6. Step 6: Final answer
    x = 392,025.61

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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.