Home / 880,834.34-1,321,278.92-419,111.14

Finding the Fourth Proportional to 880,834.34, 1,321,278.92 and 419,111.14

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Solution

The fourth proportional to 880,834.34, 1,321,278.92 and 419,111.14 is: 628,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,834.34 : 1,321,278.92 = 419,111.14 : x
  2. Step 2: Convert to fraction form
    880,834.34/1,321,278.92 = 419,111.14/x
  3. Step 3: Cross multiply
    880,834.34x = 1,321,278.92 × 419,111.14
  4. Step 4: Simplify right side
    880,834.34x = 553,762,714,419.17
  5. Step 5: Solve for x
    x = 553,762,714,419.17/880,834.34
  6. Step 6: Final answer
    x = 628,679.75

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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.