Home / 884,428.02-1,220,511.78-482,020.02

Finding the Fourth Proportional to 884,428.02, 1,220,511.78 and 482,020.02

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Solution

The fourth proportional to 884,428.02, 1,220,511.78 and 482,020.02 is: 665,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,428.02 : 1,220,511.78 = 482,020.02 : x
  2. Step 2: Convert to fraction form
    884,428.02/1,220,511.78 = 482,020.02/x
  3. Step 3: Cross multiply
    884,428.02x = 1,220,511.78 × 482,020.02
  4. Step 4: Simplify right side
    884,428.02x = 588,311,112,605.84
  5. Step 5: Solve for x
    x = 588,311,112,605.84/884,428.02
  6. Step 6: Final answer
    x = 665,188.23

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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.