Home / 687,792.82-1,031,701.56-238,529.56

Finding the Fourth Proportional to 687,792.82, 1,031,701.56 and 238,529.56

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Solution

The fourth proportional to 687,792.82, 1,031,701.56 and 238,529.56 is: 357,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,792.82 : 1,031,701.56 = 238,529.56 : x
  2. Step 2: Convert to fraction form
    687,792.82/1,031,701.56 = 238,529.56/x
  3. Step 3: Cross multiply
    687,792.82x = 1,031,701.56 × 238,529.56
  4. Step 4: Simplify right side
    687,792.82x = 246,091,319,158.11
  5. Step 5: Solve for x
    x = 246,091,319,158.11/687,792.82
  6. Step 6: Final answer
    x = 357,798.62

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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.