Home / 786,215.76-1,179,317.16-225,250.80

Finding the Fourth Proportional to 786,215.76, 1,179,317.16 and 225,250.80

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Solution

The fourth proportional to 786,215.76, 1,179,317.16 and 225,250.80 is: 337,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,215.76 : 1,179,317.16 = 225,250.80 : x
  2. Step 2: Convert to fraction form
    786,215.76/1,179,317.16 = 225,250.80/x
  3. Step 3: Cross multiply
    786,215.76x = 1,179,317.16 × 225,250.80
  4. Step 4: Simplify right side
    786,215.76x = 265,642,133,743.73
  5. Step 5: Solve for x
    x = 265,642,133,743.73/786,215.76
  6. Step 6: Final answer
    x = 337,874.34

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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.