Home / 693,288.60-1,040,030.10-272,466.60

Finding the Fourth Proportional to 693,288.60, 1,040,030.10 and 272,466.60

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Solution

The fourth proportional to 693,288.60, 1,040,030.10 and 272,466.60 is: 408,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,288.60 : 1,040,030.10 = 272,466.60 : x
  2. Step 2: Convert to fraction form
    693,288.60/1,040,030.10 = 272,466.60/x
  3. Step 3: Cross multiply
    693,288.60x = 1,040,030.10 × 272,466.60
  4. Step 4: Simplify right side
    693,288.60x = 283,373,465,244.66
  5. Step 5: Solve for x
    x = 283,373,465,244.66/693,288.60
  6. Step 6: Final answer
    x = 408,738.10

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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.