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Finding the Fourth Proportional to 568,210.29, 784,149.03 and 310,101.36

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Solution

The fourth proportional to 568,210.29, 784,149.03 and 310,101.36 is: 427,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,210.29 : 784,149.03 = 310,101.36 : x
  2. Step 2: Convert to fraction form
    568,210.29/784,149.03 = 310,101.36/x
  3. Step 3: Cross multiply
    568,210.29x = 784,149.03 × 310,101.36
  4. Step 4: Simplify right side
    568,210.29x = 243,165,680,645.68
  5. Step 5: Solve for x
    x = 243,165,680,645.68/568,210.29
  6. Step 6: Final answer
    x = 427,950.15

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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.