Home / 891,782.42-1,337,668.92-217,867.50

Finding the Fourth Proportional to 891,782.42, 1,337,668.92 and 217,867.50

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Solution

The fourth proportional to 891,782.42, 1,337,668.92 and 217,867.50 is: 326,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,782.42 : 1,337,668.92 = 217,867.50 : x
  2. Step 2: Convert to fraction form
    891,782.42/1,337,668.92 = 217,867.50/x
  3. Step 3: Cross multiply
    891,782.42x = 1,337,668.92 × 217,867.50
  4. Step 4: Simplify right side
    891,782.42x = 291,434,583,428.10
  5. Step 5: Solve for x
    x = 291,434,583,428.10/891,782.42
  6. Step 6: Final answer
    x = 326,800.10

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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.