Home / 683,279.10-942,853.56-396,743.22

Finding the Fourth Proportional to 683,279.10, 942,853.56 and 396,743.22

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Solution

The fourth proportional to 683,279.10, 942,853.56 and 396,743.22 is: 547,464.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,279.10 : 942,853.56 = 396,743.22 : x
  2. Step 2: Convert to fraction form
    683,279.10/942,853.56 = 396,743.22/x
  3. Step 3: Cross multiply
    683,279.10x = 942,853.56 × 396,743.22
  4. Step 4: Simplify right side
    683,279.10x = 374,070,757,382.86
  5. Step 5: Solve for x
    x = 374,070,757,382.86/683,279.10
  6. Step 6: Final answer
    x = 547,464.07

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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.