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Finding the Fourth Proportional to 649,830.60, 896,771.52 and 359,484.48

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Solution

The fourth proportional to 649,830.60, 896,771.52 and 359,484.48 is: 496,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,830.60 : 896,771.52 = 359,484.48 : x
  2. Step 2: Convert to fraction form
    649,830.60/896,771.52 = 359,484.48/x
  3. Step 3: Cross multiply
    649,830.60x = 896,771.52 × 359,484.48
  4. Step 4: Simplify right side
    649,830.60x = 322,375,443,546.01
  5. Step 5: Solve for x
    x = 322,375,443,546.01/649,830.60
  6. Step 6: Final answer
    x = 496,091.51

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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.