Home / 689,385.72-1,034,091.54-216,060.60

Finding the Fourth Proportional to 689,385.72, 1,034,091.54 and 216,060.60

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Solution

The fourth proportional to 689,385.72, 1,034,091.54 and 216,060.60 is: 324,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,385.72 : 1,034,091.54 = 216,060.60 : x
  2. Step 2: Convert to fraction form
    689,385.72/1,034,091.54 = 216,060.60/x
  3. Step 3: Cross multiply
    689,385.72x = 1,034,091.54 × 216,060.60
  4. Step 4: Simplify right side
    689,385.72x = 223,426,438,587.32
  5. Step 5: Solve for x
    x = 223,426,438,587.32/689,385.72
  6. Step 6: Final answer
    x = 324,094.96

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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.