Home / 672,019.80-1,008,029.70-656,467.80

Finding the Fourth Proportional to 672,019.80, 1,008,029.70 and 656,467.80

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Solution

The fourth proportional to 672,019.80, 1,008,029.70 and 656,467.80 is: 984,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,019.80 : 1,008,029.70 = 656,467.80 : x
  2. Step 2: Convert to fraction form
    672,019.80/1,008,029.70 = 656,467.80/x
  3. Step 3: Cross multiply
    672,019.80x = 1,008,029.70 × 656,467.80
  4. Step 4: Simplify right side
    672,019.80x = 661,739,039,493.66
  5. Step 5: Solve for x
    x = 661,739,039,493.66/672,019.80
  6. Step 6: Final answer
    x = 984,701.70

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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.