Home / 891,555.17-1,337,328.14-217,640.03

Finding the Fourth Proportional to 891,555.17, 1,337,328.14 and 217,640.03

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Solution

The fourth proportional to 891,555.17, 1,337,328.14 and 217,640.03 is: 326,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,555.17 : 1,337,328.14 = 217,640.03 : x
  2. Step 2: Convert to fraction form
    891,555.17/1,337,328.14 = 217,640.03/x
  3. Step 3: Cross multiply
    891,555.17x = 1,337,328.14 × 217,640.03
  4. Step 4: Simplify right side
    891,555.17x = 291,056,128,734.60
  5. Step 5: Solve for x
    x = 291,056,128,734.60/891,555.17
  6. Step 6: Final answer
    x = 326,458.91

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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.