Home / 610,412.24-842,353.80-338,481.20

Finding the Fourth Proportional to 610,412.24, 842,353.80 and 338,481.20

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Solution

The fourth proportional to 610,412.24, 842,353.80 and 338,481.20 is: 467,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,412.24 : 842,353.80 = 338,481.20 : x
  2. Step 2: Convert to fraction form
    610,412.24/842,353.80 = 338,481.20/x
  3. Step 3: Cross multiply
    610,412.24x = 842,353.80 × 338,481.20
  4. Step 4: Simplify right side
    610,412.24x = 285,120,925,048.56
  5. Step 5: Solve for x
    x = 285,120,925,048.56/610,412.24
  6. Step 6: Final answer
    x = 467,095.69

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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.