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Finding the Fourth Proportional to 649,659.52, 896,535.81 and 359,255.98

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Solution

The fourth proportional to 649,659.52, 896,535.81 and 359,255.98 is: 495,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,659.52 : 896,535.81 = 359,255.98 : x
  2. Step 2: Convert to fraction form
    649,659.52/896,535.81 = 359,255.98/x
  3. Step 3: Cross multiply
    649,659.52x = 896,535.81 × 359,255.98
  4. Step 4: Simplify right side
    649,659.52x = 322,085,848,785.30
  5. Step 5: Solve for x
    x = 322,085,848,785.30/649,659.52
  6. Step 6: Final answer
    x = 495,776.39

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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.