Home / 739,835.60-1,109,753.40-403,912.40

Finding the Fourth Proportional to 739,835.60, 1,109,753.40 and 403,912.40

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Solution

The fourth proportional to 739,835.60, 1,109,753.40 and 403,912.40 is: 605,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,835.60 : 1,109,753.40 = 403,912.40 : x
  2. Step 2: Convert to fraction form
    739,835.60/1,109,753.40 = 403,912.40/x
  3. Step 3: Cross multiply
    739,835.60x = 1,109,753.40 × 403,912.40
  4. Step 4: Simplify right side
    739,835.60x = 448,243,159,202.16
  5. Step 5: Solve for x
    x = 448,243,159,202.16/739,835.60
  6. Step 6: Final answer
    x = 605,868.60

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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.