Home / 761,132.44-1,141,805.30-311,917.16

Finding the Fourth Proportional to 761,132.44, 1,141,805.30 and 311,917.16

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Solution

The fourth proportional to 761,132.44, 1,141,805.30 and 311,917.16 is: 467,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,132.44 : 1,141,805.30 = 311,917.16 : x
  2. Step 2: Convert to fraction form
    761,132.44/1,141,805.30 = 311,917.16/x
  3. Step 3: Cross multiply
    761,132.44x = 1,141,805.30 × 311,917.16
  4. Step 4: Simplify right side
    761,132.44x = 356,148,666,448.95
  5. Step 5: Solve for x
    x = 356,148,666,448.95/761,132.44
  6. Step 6: Final answer
    x = 467,919.44

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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.