Home / 818,358.57-1,226,750.52-419,187.33

Finding the Fourth Proportional to 818,358.57, 1,226,750.52 and 419,187.33

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Solution

The fourth proportional to 818,358.57, 1,226,750.52 and 419,187.33 is: 628,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,358.57 : 1,226,750.52 = 419,187.33 : x
  2. Step 2: Convert to fraction form
    818,358.57/1,226,750.52 = 419,187.33/x
  3. Step 3: Cross multiply
    818,358.57x = 1,226,750.52 × 419,187.33
  4. Step 4: Simplify right side
    818,358.57x = 514,238,275,054.91
  5. Step 5: Solve for x
    x = 514,238,275,054.91/818,358.57
  6. Step 6: Final answer
    x = 628,377.70

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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.