Home / 856,527.15-1,284,353.33-316,756.11

Finding the Fourth Proportional to 856,527.15, 1,284,353.33 and 316,756.11

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Solution

The fourth proportional to 856,527.15, 1,284,353.33 and 316,756.11 is: 474,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,527.15 : 1,284,353.33 = 316,756.11 : x
  2. Step 2: Convert to fraction form
    856,527.15/1,284,353.33 = 316,756.11/x
  3. Step 3: Cross multiply
    856,527.15x = 1,284,353.33 × 316,756.11
  4. Step 4: Simplify right side
    856,527.15x = 406,826,763,092.57
  5. Step 5: Solve for x
    x = 406,826,763,092.57/856,527.15
  6. Step 6: Final answer
    x = 474,972.41

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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.