Home / 831,084.28-1,246,699.31-609,205.84

Finding the Fourth Proportional to 831,084.28, 1,246,699.31 and 609,205.84

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Solution

The fourth proportional to 831,084.28, 1,246,699.31 and 609,205.84 is: 913,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,084.28 : 1,246,699.31 = 609,205.84 : x
  2. Step 2: Convert to fraction form
    831,084.28/1,246,699.31 = 609,205.84/x
  3. Step 3: Cross multiply
    831,084.28x = 1,246,699.31 × 609,205.84
  4. Step 4: Simplify right side
    831,084.28x = 759,496,500,375.97
  5. Step 5: Solve for x
    x = 759,496,500,375.97/831,084.28
  6. Step 6: Final answer
    x = 913,862.19

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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.