Home / 735,998.60-1,103,997.90-689,342.60

Finding the Fourth Proportional to 735,998.60, 1,103,997.90 and 689,342.60

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Solution

The fourth proportional to 735,998.60, 1,103,997.90 and 689,342.60 is: 1,034,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,998.60 : 1,103,997.90 = 689,342.60 : x
  2. Step 2: Convert to fraction form
    735,998.60/1,103,997.90 = 689,342.60/x
  3. Step 3: Cross multiply
    735,998.60x = 1,103,997.90 × 689,342.60
  4. Step 4: Simplify right side
    735,998.60x = 761,032,782,780.54
  5. Step 5: Solve for x
    x = 761,032,782,780.54/735,998.60
  6. Step 6: Final answer
    x = 1,034,013.90

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Double scale
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Similar ratio
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1.5x scale

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.