Home / 699,982.40-1,049,973.60-658,510.40

Finding the Fourth Proportional to 699,982.40, 1,049,973.60 and 658,510.40

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Solution

The fourth proportional to 699,982.40, 1,049,973.60 and 658,510.40 is: 987,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,982.40 : 1,049,973.60 = 658,510.40 : x
  2. Step 2: Convert to fraction form
    699,982.40/1,049,973.60 = 658,510.40/x
  3. Step 3: Cross multiply
    699,982.40x = 1,049,973.60 × 658,510.40
  4. Step 4: Simplify right side
    699,982.40x = 691,418,535,325.44
  5. Step 5: Solve for x
    x = 691,418,535,325.44/699,982.40
  6. Step 6: Final answer
    x = 987,765.60

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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.