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Finding the Fourth Proportional to 574,151.07, 792,316.74 and 359,409.54

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Solution

The fourth proportional to 574,151.07, 792,316.74 and 359,409.54 is: 495,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,151.07 : 792,316.74 = 359,409.54 : x
  2. Step 2: Convert to fraction form
    574,151.07/792,316.74 = 359,409.54/x
  3. Step 3: Cross multiply
    574,151.07x = 792,316.74 × 359,409.54
  4. Step 4: Simplify right side
    574,151.07x = 284,766,195,057.70
  5. Step 5: Solve for x
    x = 284,766,195,057.70/574,151.07
  6. Step 6: Final answer
    x = 495,977.82

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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.