Home / 971,943.47-1,457,749.04-261,805.43

Finding the Fourth Proportional to 971,943.47, 1,457,749.04 and 261,805.43

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Solution

The fourth proportional to 971,943.47, 1,457,749.04 and 261,805.43 is: 392,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,943.47 : 1,457,749.04 = 261,805.43 : x
  2. Step 2: Convert to fraction form
    971,943.47/1,457,749.04 = 261,805.43/x
  3. Step 3: Cross multiply
    971,943.47x = 1,457,749.04 × 261,805.43
  4. Step 4: Simplify right side
    971,943.47x = 381,646,612,940.26
  5. Step 5: Solve for x
    x = 381,646,612,940.26/971,943.47
  6. Step 6: Final answer
    x = 392,663.39

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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.