Home / 568,584.92-784,641.15-310,461.05

Finding the Fourth Proportional to 568,584.92, 784,641.15 and 310,461.05

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Solution

The fourth proportional to 568,584.92, 784,641.15 and 310,461.05 is: 428,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,584.92 : 784,641.15 = 310,461.05 : x
  2. Step 2: Convert to fraction form
    568,584.92/784,641.15 = 310,461.05/x
  3. Step 3: Cross multiply
    568,584.92x = 784,641.15 × 310,461.05
  4. Step 4: Simplify right side
    568,584.92x = 243,600,518,136.98
  5. Step 5: Solve for x
    x = 243,600,518,136.98/568,584.92
  6. Step 6: Final answer
    x = 428,432.96

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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.