Home / 761,481.40-1,141,418.28-255,562.60

Finding the Fourth Proportional to 761,481.40, 1,141,418.28 and 255,562.60

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Solution

The fourth proportional to 761,481.40, 1,141,418.28 and 255,562.60 is: 383,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,481.40 : 1,141,418.28 = 255,562.60 : x
  2. Step 2: Convert to fraction form
    761,481.40/1,141,418.28 = 255,562.60/x
  3. Step 3: Cross multiply
    761,481.40x = 1,141,418.28 × 255,562.60
  4. Step 4: Simplify right side
    761,481.40x = 291,703,823,324.33
  5. Step 5: Solve for x
    x = 291,703,823,324.33/761,481.40
  6. Step 6: Final answer
    x = 383,074.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.