Home / 672,813.02-1,009,414.34-199,509.77

Finding the Fourth Proportional to 672,813.02, 1,009,414.34 and 199,509.77

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Solution

The fourth proportional to 672,813.02, 1,009,414.34 and 199,509.77 is: 299,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,813.02 : 1,009,414.34 = 199,509.77 : x
  2. Step 2: Convert to fraction form
    672,813.02/1,009,414.34 = 199,509.77/x
  3. Step 3: Cross multiply
    672,813.02x = 1,009,414.34 × 199,509.77
  4. Step 4: Simplify right side
    672,813.02x = 201,388,016,763.48
  5. Step 5: Solve for x
    x = 201,388,016,763.48/672,813.02
  6. Step 6: Final answer
    x = 299,322.42

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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.