Home / 687,424.01-1,030,889.94-238,024.22

Finding the Fourth Proportional to 687,424.01, 1,030,889.94 and 238,024.22

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Solution

The fourth proportional to 687,424.01, 1,030,889.94 and 238,024.22 is: 356,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,424.01 : 1,030,889.94 = 238,024.22 : x
  2. Step 2: Convert to fraction form
    687,424.01/1,030,889.94 = 238,024.22/x
  3. Step 3: Cross multiply
    687,424.01x = 1,030,889.94 × 238,024.22
  4. Step 4: Simplify right side
    687,424.01x = 245,376,768,719.90
  5. Step 5: Solve for x
    x = 245,376,768,719.90/687,424.01
  6. Step 6: Final answer
    x = 356,951.12

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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.