Home / 891,555.93-1,337,329.28-217,640.79

Finding the Fourth Proportional to 891,555.93, 1,337,329.28 and 217,640.79

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Solution

The fourth proportional to 891,555.93, 1,337,329.28 and 217,640.79 is: 326,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,555.93 : 1,337,329.28 = 217,640.79 : x
  2. Step 2: Convert to fraction form
    891,555.93/1,337,329.28 = 217,640.79/x
  3. Step 3: Cross multiply
    891,555.93x = 1,337,329.28 × 217,640.79
  4. Step 4: Simplify right side
    891,555.93x = 291,057,400,989.33
  5. Step 5: Solve for x
    x = 291,057,400,989.33/891,555.93
  6. Step 6: Final answer
    x = 326,460.06

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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.