Home / 993,943.80-1,491,353.10-461,190.60

Finding the Fourth Proportional to 993,943.80, 1,491,353.10 and 461,190.60

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Solution

The fourth proportional to 993,943.80, 1,491,353.10 and 461,190.60 is: 691,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,943.80 : 1,491,353.10 = 461,190.60 : x
  2. Step 2: Convert to fraction form
    993,943.80/1,491,353.10 = 461,190.60/x
  3. Step 3: Cross multiply
    993,943.80x = 1,491,353.10 × 461,190.60
  4. Step 4: Simplify right side
    993,943.80x = 687,798,031,000.86
  5. Step 5: Solve for x
    x = 687,798,031,000.86/993,943.80
  6. Step 6: Final answer
    x = 691,988.85

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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.