Home / 958,900.80-1,438,351.20-601,982.40

Finding the Fourth Proportional to 958,900.80, 1,438,351.20 and 601,982.40

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Solution

The fourth proportional to 958,900.80, 1,438,351.20 and 601,982.40 is: 902,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,900.80 : 1,438,351.20 = 601,982.40 : x
  2. Step 2: Convert to fraction form
    958,900.80/1,438,351.20 = 601,982.40/x
  3. Step 3: Cross multiply
    958,900.80x = 1,438,351.20 × 601,982.40
  4. Step 4: Simplify right side
    958,900.80x = 865,862,107,418.88
  5. Step 5: Solve for x
    x = 865,862,107,418.88/958,900.80
  6. Step 6: Final answer
    x = 902,973.60

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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.