Home / 689,385.22-1,034,090.79-216,060.10

Finding the Fourth Proportional to 689,385.22, 1,034,090.79 and 216,060.10

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Solution

The fourth proportional to 689,385.22, 1,034,090.79 and 216,060.10 is: 324,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,385.22 : 1,034,090.79 = 216,060.10 : x
  2. Step 2: Convert to fraction form
    689,385.22/1,034,090.79 = 216,060.10/x
  3. Step 3: Cross multiply
    689,385.22x = 1,034,090.79 × 216,060.10
  4. Step 4: Simplify right side
    689,385.22x = 223,425,759,496.48
  5. Step 5: Solve for x
    x = 223,425,759,496.48/689,385.22
  6. Step 6: Final answer
    x = 324,094.21

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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.