Home / 672,685.40-1,009,416.90-252,003.80

Finding the Fourth Proportional to 672,685.40, 1,009,416.90 and 252,003.80

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Solution

The fourth proportional to 672,685.40, 1,009,416.90 and 252,003.80 is: 378,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,685.40 : 1,009,416.90 = 252,003.80 : x
  2. Step 2: Convert to fraction form
    672,685.40/1,009,416.90 = 252,003.80/x
  3. Step 3: Cross multiply
    672,685.40x = 1,009,416.90 × 252,003.80
  4. Step 4: Simplify right side
    672,685.40x = 254,376,894,584.22
  5. Step 5: Solve for x
    x = 254,376,894,584.22/672,685.40
  6. Step 6: Final answer
    x = 378,151.35

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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.