Home / 568,234.32-784,182.18-310,125.36

Finding the Fourth Proportional to 568,234.32, 784,182.18 and 310,125.36

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Solution

The fourth proportional to 568,234.32, 784,182.18 and 310,125.36 is: 427,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,234.32 : 784,182.18 = 310,125.36 : x
  2. Step 2: Convert to fraction form
    568,234.32/784,182.18 = 310,125.36/x
  3. Step 3: Cross multiply
    568,234.32x = 784,182.18 × 310,125.36
  4. Step 4: Simplify right side
    568,234.32x = 243,194,780,878.09
  5. Step 5: Solve for x
    x = 243,194,780,878.09/568,234.32
  6. Step 6: Final answer
    x = 427,983.27

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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.