Home / 710,861.81-1,066,359.53-261,591.26

Finding the Fourth Proportional to 710,861.81, 1,066,359.53 and 261,591.26

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Solution

The fourth proportional to 710,861.81, 1,066,359.53 and 261,591.26 is: 392,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,861.81 : 1,066,359.53 = 261,591.26 : x
  2. Step 2: Convert to fraction form
    710,861.81/1,066,359.53 = 261,591.26/x
  3. Step 3: Cross multiply
    710,861.81x = 1,066,359.53 × 261,591.26
  4. Step 4: Simplify right side
    710,861.81x = 278,950,328,387.89
  5. Step 5: Solve for x
    x = 278,950,328,387.89/710,861.81
  6. Step 6: Final answer
    x = 392,411.47

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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.