Home / 880,837.11-1,321,283.07-419,113.89

Finding the Fourth Proportional to 880,837.11, 1,321,283.07 and 419,113.89

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Solution

The fourth proportional to 880,837.11, 1,321,283.07 and 419,113.89 is: 628,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,837.11 : 1,321,283.07 = 419,113.89 : x
  2. Step 2: Convert to fraction form
    880,837.11/1,321,283.07 = 419,113.89/x
  3. Step 3: Cross multiply
    880,837.11x = 1,321,283.07 × 419,113.89
  4. Step 4: Simplify right side
    880,837.11x = 553,768,087,258.84
  5. Step 5: Solve for x
    x = 553,768,087,258.84/880,837.11
  6. Step 6: Final answer
    x = 628,683.87

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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.