Home / 723,941.52-999,025.99-401,644.70

Finding the Fourth Proportional to 723,941.52, 999,025.99 and 401,644.70

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Solution

The fourth proportional to 723,941.52, 999,025.99 and 401,644.70 is: 554,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,941.52 : 999,025.99 = 401,644.70 : x
  2. Step 2: Convert to fraction form
    723,941.52/999,025.99 = 401,644.70/x
  3. Step 3: Cross multiply
    723,941.52x = 999,025.99 × 401,644.70
  4. Step 4: Simplify right side
    723,941.52x = 401,253,494,045.75
  5. Step 5: Solve for x
    x = 401,253,494,045.75/723,941.52
  6. Step 6: Final answer
    x = 554,262.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.