Home / 739,838.60-1,109,757.90-403,915.40

Finding the Fourth Proportional to 739,838.60, 1,109,757.90 and 403,915.40

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Solution

The fourth proportional to 739,838.60, 1,109,757.90 and 403,915.40 is: 605,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,838.60 : 1,109,757.90 = 403,915.40 : x
  2. Step 2: Convert to fraction form
    739,838.60/1,109,757.90 = 403,915.40/x
  3. Step 3: Cross multiply
    739,838.60x = 1,109,757.90 × 403,915.40
  4. Step 4: Simplify right side
    739,838.60x = 448,248,306,081.66
  5. Step 5: Solve for x
    x = 448,248,306,081.66/739,838.60
  6. Step 6: Final answer
    x = 605,873.10

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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.