Home / 653,766.96-982,126.74-387,702.01

Finding the Fourth Proportional to 653,766.96, 982,126.74 and 387,702.01

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Solution

The fourth proportional to 653,766.96, 982,126.74 and 387,702.01 is: 582,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,766.96 : 982,126.74 = 387,702.01 : x
  2. Step 2: Convert to fraction form
    653,766.96/982,126.74 = 387,702.01/x
  3. Step 3: Cross multiply
    653,766.96x = 982,126.74 × 387,702.01
  4. Step 4: Simplify right side
    653,766.96x = 380,772,511,673.47
  5. Step 5: Solve for x
    x = 380,772,511,673.47/653,766.96
  6. Step 6: Final answer
    x = 582,428.50

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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.