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Finding the Fourth Proportional to 590,567.76, 885,756.87 and 211,418.10

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Solution

The fourth proportional to 590,567.76, 885,756.87 and 211,418.10 is: 317,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,567.76 : 885,756.87 = 211,418.10 : x
  2. Step 2: Convert to fraction form
    590,567.76/885,756.87 = 211,418.10/x
  3. Step 3: Cross multiply
    590,567.76x = 885,756.87 × 211,418.10
  4. Step 4: Simplify right side
    590,567.76x = 187,265,034,517.35
  5. Step 5: Solve for x
    x = 187,265,034,517.35/590,567.76
  6. Step 6: Final answer
    x = 317,093.22

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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.