Home / 754,985.40-1,133,002.26-488,083.80

Finding the Fourth Proportional to 754,985.40, 1,133,002.26 and 488,083.80

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Solution

The fourth proportional to 754,985.40, 1,133,002.26 and 488,083.80 is: 732,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,985.40 : 1,133,002.26 = 488,083.80 : x
  2. Step 2: Convert to fraction form
    754,985.40/1,133,002.26 = 488,083.80/x
  3. Step 3: Cross multiply
    754,985.40x = 1,133,002.26 × 488,083.80
  4. Step 4: Simplify right side
    754,985.40x = 553,000,048,469.39
  5. Step 5: Solve for x
    x = 553,000,048,469.39/754,985.40
  6. Step 6: Final answer
    x = 732,464.56

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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.