Home / 710,717.34-1,066,495.98-261,753.78

Finding the Fourth Proportional to 710,717.34, 1,066,495.98 and 261,753.78

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Solution

The fourth proportional to 710,717.34, 1,066,495.98 and 261,753.78 is: 392,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,717.34 : 1,066,495.98 = 261,753.78 : x
  2. Step 2: Convert to fraction form
    710,717.34/1,066,495.98 = 261,753.78/x
  3. Step 3: Cross multiply
    710,717.34x = 1,066,495.98 × 261,753.78
  4. Step 4: Simplify right side
    710,717.34x = 279,159,354,119.80
  5. Step 5: Solve for x
    x = 279,159,354,119.80/710,717.34
  6. Step 6: Final answer
    x = 392,785.34

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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.