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Finding the Fourth Proportional to 569,415.24, 853,950.33 and 299,397.90

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Solution

The fourth proportional to 569,415.24, 853,950.33 and 299,397.90 is: 449,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,415.24 : 853,950.33 = 299,397.90 : x
  2. Step 2: Convert to fraction form
    569,415.24/853,950.33 = 299,397.90/x
  3. Step 3: Cross multiply
    569,415.24x = 853,950.33 × 299,397.90
  4. Step 4: Simplify right side
    569,415.24x = 255,670,935,506.31
  5. Step 5: Solve for x
    x = 255,670,935,506.31/569,415.24
  6. Step 6: Final answer
    x = 449,006.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.