Home / 748,944.58-1,033,550.40-426,649.90

Finding the Fourth Proportional to 748,944.58, 1,033,550.40 and 426,649.90

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Solution

The fourth proportional to 748,944.58, 1,033,550.40 and 426,649.90 is: 588,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,944.58 : 1,033,550.40 = 426,649.90 : x
  2. Step 2: Convert to fraction form
    748,944.58/1,033,550.40 = 426,649.90/x
  3. Step 3: Cross multiply
    748,944.58x = 1,033,550.40 × 426,649.90
  4. Step 4: Simplify right side
    748,944.58x = 440,964,174,804.96
  5. Step 5: Solve for x
    x = 440,964,174,804.96/748,944.58
  6. Step 6: Final answer
    x = 588,780.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.