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Finding the Fourth Proportional to 568,604.51, 784,485.33 and 375,108.32

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Solution

The fourth proportional to 568,604.51, 784,485.33 and 375,108.32 is: 517,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,604.51 : 784,485.33 = 375,108.32 : x
  2. Step 2: Convert to fraction form
    568,604.51/784,485.33 = 375,108.32/x
  3. Step 3: Cross multiply
    568,604.51x = 784,485.33 × 375,108.32
  4. Step 4: Simplify right side
    568,604.51x = 294,266,971,397.77
  5. Step 5: Solve for x
    x = 294,266,971,397.77/568,604.51
  6. Step 6: Final answer
    x = 517,524.86

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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.