Home / 881,280.50-1,216,167.09-478,872.50

Finding the Fourth Proportional to 881,280.50, 1,216,167.09 and 478,872.50

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Solution

The fourth proportional to 881,280.50, 1,216,167.09 and 478,872.50 is: 660,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,280.50 : 1,216,167.09 = 478,872.50 : x
  2. Step 2: Convert to fraction form
    881,280.50/1,216,167.09 = 478,872.50/x
  3. Step 3: Cross multiply
    881,280.50x = 1,216,167.09 × 478,872.50
  4. Step 4: Simplify right side
    881,280.50x = 582,388,974,806.03
  5. Step 5: Solve for x
    x = 582,388,974,806.03/881,280.50
  6. Step 6: Final answer
    x = 660,844.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.