Home / 891,561.70-1,337,337.90-217,646.56

Finding the Fourth Proportional to 891,561.70, 1,337,337.90 and 217,646.56

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Solution

The fourth proportional to 891,561.70, 1,337,337.90 and 217,646.56 is: 326,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,561.70 : 1,337,337.90 = 217,646.56 : x
  2. Step 2: Convert to fraction form
    891,561.70/1,337,337.90 = 217,646.56/x
  3. Step 3: Cross multiply
    891,561.70x = 1,337,337.90 × 217,646.56
  4. Step 4: Simplify right side
    891,561.70x = 291,066,993,492.62
  5. Step 5: Solve for x
    x = 291,066,993,492.62/891,561.70
  6. Step 6: Final answer
    x = 326,468.70

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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.