Home / 672,816.02-1,009,418.84-199,512.77

Finding the Fourth Proportional to 672,816.02, 1,009,418.84 and 199,512.77

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Solution

The fourth proportional to 672,816.02, 1,009,418.84 and 199,512.77 is: 299,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,816.02 : 1,009,418.84 = 199,512.77 : x
  2. Step 2: Convert to fraction form
    672,816.02/1,009,418.84 = 199,512.77/x
  3. Step 3: Cross multiply
    672,816.02x = 1,009,418.84 × 199,512.77
  4. Step 4: Simplify right side
    672,816.02x = 201,391,942,813.93
  5. Step 5: Solve for x
    x = 201,391,942,813.93/672,816.02
  6. Step 6: Final answer
    x = 299,326.92

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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.