Home / 568,715.10-784,826.25-314,065.68

Finding the Fourth Proportional to 568,715.10, 784,826.25 and 314,065.68

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Solution

The fourth proportional to 568,715.10, 784,826.25 and 314,065.68 is: 433,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,715.10 : 784,826.25 = 314,065.68 : x
  2. Step 2: Convert to fraction form
    568,715.10/784,826.25 = 314,065.68/x
  3. Step 3: Cross multiply
    568,715.10x = 784,826.25 × 314,065.68
  4. Step 4: Simplify right side
    568,715.10x = 246,486,989,888.10
  5. Step 5: Solve for x
    x = 246,486,989,888.10/568,715.10
  6. Step 6: Final answer
    x = 433,410.31

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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.