Home / 672,848.66-1,009,467.79-199,545.41

Finding the Fourth Proportional to 672,848.66, 1,009,467.79 and 199,545.41

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Solution

The fourth proportional to 672,848.66, 1,009,467.79 and 199,545.41 is: 299,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,848.66 : 1,009,467.79 = 199,545.41 : x
  2. Step 2: Convert to fraction form
    672,848.66/1,009,467.79 = 199,545.41/x
  3. Step 3: Cross multiply
    672,848.66x = 1,009,467.79 × 199,545.41
  4. Step 4: Simplify right side
    672,848.66x = 201,434,664,037.34
  5. Step 5: Solve for x
    x = 201,434,664,037.34/672,848.66
  6. Step 6: Final answer
    x = 299,375.89

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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.