Home / 690,882.41-1,035,060.63-500,872.21

Finding the Fourth Proportional to 690,882.41, 1,035,060.63 and 500,872.21

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Solution

The fourth proportional to 690,882.41, 1,035,060.63 and 500,872.21 is: 750,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,882.41 : 1,035,060.63 = 500,872.21 : x
  2. Step 2: Convert to fraction form
    690,882.41/1,035,060.63 = 500,872.21/x
  3. Step 3: Cross multiply
    690,882.41x = 1,035,060.63 × 500,872.21
  4. Step 4: Simplify right side
    690,882.41x = 518,433,100,766.17
  5. Step 5: Solve for x
    x = 518,433,100,766.17/690,882.41
  6. Step 6: Final answer
    x = 750,392.67

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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.