Home / 672,899.74-1,009,404.27-199,583.73

Finding the Fourth Proportional to 672,899.74, 1,009,404.27 and 199,583.73

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Solution

The fourth proportional to 672,899.74, 1,009,404.27 and 199,583.73 is: 299,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,899.74 : 1,009,404.27 = 199,583.73 : x
  2. Step 2: Convert to fraction form
    672,899.74/1,009,404.27 = 199,583.73/x
  3. Step 3: Cross multiply
    672,899.74x = 1,009,404.27 × 199,583.73
  4. Step 4: Simplify right side
    672,899.74x = 201,460,669,284.53
  5. Step 5: Solve for x
    x = 201,460,669,284.53/672,899.74
  6. Step 6: Final answer
    x = 299,391.81

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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.