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Finding the Fourth Proportional to 568,276.02, 784,322.60 and 338,848.11

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Solution

The fourth proportional to 568,276.02, 784,322.60 and 338,848.11 is: 467,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,276.02 : 784,322.60 = 338,848.11 : x
  2. Step 2: Convert to fraction form
    568,276.02/784,322.60 = 338,848.11/x
  3. Step 3: Cross multiply
    568,276.02x = 784,322.60 × 338,848.11
  4. Step 4: Simplify right side
    568,276.02x = 265,766,228,946.05
  5. Step 5: Solve for x
    x = 265,766,228,946.05/568,276.02
  6. Step 6: Final answer
    x = 467,671.03

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1.5x scale

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.