Home / 903,836.53-1,247,405.03-521,862.67

Finding the Fourth Proportional to 903,836.53, 1,247,405.03 and 521,862.67

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Solution

The fourth proportional to 903,836.53, 1,247,405.03 and 521,862.67 is: 720,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,836.53 : 1,247,405.03 = 521,862.67 : x
  2. Step 2: Convert to fraction form
    903,836.53/1,247,405.03 = 521,862.67/x
  3. Step 3: Cross multiply
    903,836.53x = 1,247,405.03 × 521,862.67
  4. Step 4: Simplify right side
    903,836.53x = 650,974,119,527.23
  5. Step 5: Solve for x
    x = 650,974,119,527.23/903,836.53
  6. Step 6: Final answer
    x = 720,234.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.