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Finding the Fourth Proportional to 629,957.92, 945,330.40 and 255,980.80

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Solution

The fourth proportional to 629,957.92, 945,330.40 and 255,980.80 is: 384,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,957.92 : 945,330.40 = 255,980.80 : x
  2. Step 2: Convert to fraction form
    629,957.92/945,330.40 = 255,980.80/x
  3. Step 3: Cross multiply
    629,957.92x = 945,330.40 × 255,980.80
  4. Step 4: Simplify right side
    629,957.92x = 241,986,432,056.32
  5. Step 5: Solve for x
    x = 241,986,432,056.32/629,957.92
  6. Step 6: Final answer
    x = 384,131.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.