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Finding the Fourth Proportional to 568,344.38, 784,259.36 and 313,679.16

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Solution

The fourth proportional to 568,344.38, 784,259.36 and 313,679.16 is: 432,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,344.38 : 784,259.36 = 313,679.16 : x
  2. Step 2: Convert to fraction form
    568,344.38/784,259.36 = 313,679.16/x
  3. Step 3: Cross multiply
    568,344.38x = 784,259.36 × 313,679.16
  4. Step 4: Simplify right side
    568,344.38x = 246,005,817,266.94
  5. Step 5: Solve for x
    x = 246,005,817,266.94/568,344.38
  6. Step 6: Final answer
    x = 432,846.40

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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.