Home / 827,181.40-1,240,772.10-294,719.80

Finding the Fourth Proportional to 827,181.40, 1,240,772.10 and 294,719.80

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Solution

The fourth proportional to 827,181.40, 1,240,772.10 and 294,719.80 is: 442,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,181.40 : 1,240,772.10 = 294,719.80 : x
  2. Step 2: Convert to fraction form
    827,181.40/1,240,772.10 = 294,719.80/x
  3. Step 3: Cross multiply
    827,181.40x = 1,240,772.10 × 294,719.80
  4. Step 4: Simplify right side
    827,181.40x = 365,680,105,157.58
  5. Step 5: Solve for x
    x = 365,680,105,157.58/827,181.40
  6. Step 6: Final answer
    x = 442,079.70

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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.