Home / 610,279.22-842,234.96-338,432.28

Finding the Fourth Proportional to 610,279.22, 842,234.96 and 338,432.28

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Solution

The fourth proportional to 610,279.22, 842,234.96 and 338,432.28 is: 467,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,279.22 : 842,234.96 = 338,432.28 : x
  2. Step 2: Convert to fraction form
    610,279.22/842,234.96 = 338,432.28/x
  3. Step 3: Cross multiply
    610,279.22x = 842,234.96 × 338,432.28
  4. Step 4: Simplify right side
    610,279.22x = 285,039,497,808.51
  5. Step 5: Solve for x
    x = 285,039,497,808.51/610,279.22
  6. Step 6: Final answer
    x = 467,064.07

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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.