Home / 786,212.76-1,179,312.66-225,247.80

Finding the Fourth Proportional to 786,212.76, 1,179,312.66 and 225,247.80

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Solution

The fourth proportional to 786,212.76, 1,179,312.66 and 225,247.80 is: 337,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,212.76 : 1,179,312.66 = 225,247.80 : x
  2. Step 2: Convert to fraction form
    786,212.76/1,179,312.66 = 225,247.80/x
  3. Step 3: Cross multiply
    786,212.76x = 1,179,312.66 × 225,247.80
  4. Step 4: Simplify right side
    786,212.76x = 265,637,582,177.15
  5. Step 5: Solve for x
    x = 265,637,582,177.15/786,212.76
  6. Step 6: Final answer
    x = 337,869.84

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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.