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Finding the Fourth Proportional to 568,248.37, 784,316.78 and 326,670.93

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Solution

The fourth proportional to 568,248.37, 784,316.78 and 326,670.93 is: 450,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,248.37 : 784,316.78 = 326,670.93 : x
  2. Step 2: Convert to fraction form
    568,248.37/784,316.78 = 326,670.93/x
  3. Step 3: Cross multiply
    568,248.37x = 784,316.78 × 326,670.93
  4. Step 4: Simplify right side
    568,248.37x = 256,213,491,937.21
  5. Step 5: Solve for x
    x = 256,213,491,937.21/568,248.37
  6. Step 6: Final answer
    x = 450,882.93

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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.