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Finding the Fourth Proportional to 568,764.63, 784,899.86 and 314,120.07

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Solution

The fourth proportional to 568,764.63, 784,899.86 and 314,120.07 is: 433,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,764.63 : 784,899.86 = 314,120.07 : x
  2. Step 2: Convert to fraction form
    568,764.63/784,899.86 = 314,120.07/x
  3. Step 3: Cross multiply
    568,764.63x = 784,899.86 × 314,120.07
  4. Step 4: Simplify right side
    568,764.63x = 246,552,797,395.59
  5. Step 5: Solve for x
    x = 246,552,797,395.59/568,764.63
  6. Step 6: Final answer
    x = 433,488.27

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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.