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Finding the Fourth Proportional to 661,937.98, 993,326.53 and 282,861.34

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Solution

The fourth proportional to 661,937.98, 993,326.53 and 282,861.34 is: 424,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,937.98 : 993,326.53 = 282,861.34 : x
  2. Step 2: Convert to fraction form
    661,937.98/993,326.53 = 282,861.34/x
  3. Step 3: Cross multiply
    661,937.98x = 993,326.53 × 282,861.34
  4. Step 4: Simplify right side
    661,937.98x = 280,973,673,333.35
  5. Step 5: Solve for x
    x = 280,973,673,333.35/661,937.98
  6. Step 6: Final answer
    x = 424,471.30

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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.