Home / 803,940.30-1,205,910.45-242,974.80

Finding the Fourth Proportional to 803,940.30, 1,205,910.45 and 242,974.80

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Solution

The fourth proportional to 803,940.30, 1,205,910.45 and 242,974.80 is: 364,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,940.30 : 1,205,910.45 = 242,974.80 : x
  2. Step 2: Convert to fraction form
    803,940.30/1,205,910.45 = 242,974.80/x
  3. Step 3: Cross multiply
    803,940.30x = 1,205,910.45 × 242,974.80
  4. Step 4: Simplify right side
    803,940.30x = 293,005,850,406.66
  5. Step 5: Solve for x
    x = 293,005,850,406.66/803,940.30
  6. Step 6: Final answer
    x = 364,462.20

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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.