Home / 891,556.17-1,337,329.63-217,641.03

Finding the Fourth Proportional to 891,556.17, 1,337,329.63 and 217,641.03

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Solution

The fourth proportional to 891,556.17, 1,337,329.63 and 217,641.03 is: 326,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,556.17 : 1,337,329.63 = 217,641.03 : x
  2. Step 2: Convert to fraction form
    891,556.17/1,337,329.63 = 217,641.03/x
  3. Step 3: Cross multiply
    891,556.17x = 1,337,329.63 × 217,641.03
  4. Step 4: Simplify right side
    891,556.17x = 291,057,798,122.72
  5. Step 5: Solve for x
    x = 291,057,798,122.72/891,556.17
  6. Step 6: Final answer
    x = 326,460.42

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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.