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Finding the Fourth Proportional to 523,483.73, 722,223.61 and 342,301.71

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Solution

The fourth proportional to 523,483.73, 722,223.61 and 342,301.71 is: 472,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,483.73 : 722,223.61 = 342,301.71 : x
  2. Step 2: Convert to fraction form
    523,483.73/722,223.61 = 342,301.71/x
  3. Step 3: Cross multiply
    523,483.73x = 722,223.61 × 342,301.71
  4. Step 4: Simplify right side
    523,483.73x = 247,218,378,557.96
  5. Step 5: Solve for x
    x = 247,218,378,557.96/523,483.73
  6. Step 6: Final answer
    x = 472,256.09

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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.