Home / 687,427.76-1,030,895.58-238,027.95

Finding the Fourth Proportional to 687,427.76, 1,030,895.58 and 238,027.95

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Solution

The fourth proportional to 687,427.76, 1,030,895.58 and 238,027.95 is: 356,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,427.76 : 1,030,895.58 = 238,027.95 : x
  2. Step 2: Convert to fraction form
    687,427.76/1,030,895.58 = 238,027.95/x
  3. Step 3: Cross multiply
    687,427.76x = 1,030,895.58 × 238,027.95
  4. Step 4: Simplify right side
    687,427.76x = 245,381,961,571.46
  5. Step 5: Solve for x
    x = 245,381,961,571.46/687,427.76
  6. Step 6: Final answer
    x = 356,956.73

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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.