Home / 687,425.51-1,030,892.21-238,025.70

Finding the Fourth Proportional to 687,425.51, 1,030,892.21 and 238,025.70

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Solution

The fourth proportional to 687,425.51, 1,030,892.21 and 238,025.70 is: 356,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,425.51 : 1,030,892.21 = 238,025.70 : x
  2. Step 2: Convert to fraction form
    687,425.51/1,030,892.21 = 238,025.70/x
  3. Step 3: Cross multiply
    687,425.51x = 1,030,892.21 × 238,025.70
  4. Step 4: Simplify right side
    687,425.51x = 245,378,838,719.67
  5. Step 5: Solve for x
    x = 245,378,838,719.67/687,425.51
  6. Step 6: Final answer
    x = 356,953.35

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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.