Home / 403,932.20-605,898.30-262,927.40

Finding the Fourth Proportional to 403,932.20, 605,898.30 and 262,927.40

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Solution

The fourth proportional to 403,932.20, 605,898.30 and 262,927.40 is: 394,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,932.20 : 605,898.30 = 262,927.40 : x
  2. Step 2: Convert to fraction form
    403,932.20/605,898.30 = 262,927.40/x
  3. Step 3: Cross multiply
    403,932.20x = 605,898.30 × 262,927.40
  4. Step 4: Simplify right side
    403,932.20x = 159,307,264,683.42
  5. Step 5: Solve for x
    x = 159,307,264,683.42/403,932.20
  6. Step 6: Final answer
    x = 394,391.10

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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.