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Finding the Fourth Proportional to 637,600.92, 879,880.62 and 361,956.40

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Solution

The fourth proportional to 637,600.92, 879,880.62 and 361,956.40 is: 499,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,600.92 : 879,880.62 = 361,956.40 : x
  2. Step 2: Convert to fraction form
    637,600.92/879,880.62 = 361,956.40/x
  3. Step 3: Cross multiply
    637,600.92x = 879,880.62 × 361,956.40
  4. Step 4: Simplify right side
    637,600.92x = 318,478,420,802.60
  5. Step 5: Solve for x
    x = 318,478,420,802.60/637,600.92
  6. Step 6: Final answer
    x = 499,494.92

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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.