Home / 814,359.08-1,221,548.02-245,745.10

Finding the Fourth Proportional to 814,359.08, 1,221,548.02 and 245,745.10

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Solution

The fourth proportional to 814,359.08, 1,221,548.02 and 245,745.10 is: 368,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,359.08 : 1,221,548.02 = 245,745.10 : x
  2. Step 2: Convert to fraction form
    814,359.08/1,221,548.02 = 245,745.10/x
  3. Step 3: Cross multiply
    814,359.08x = 1,221,548.02 × 245,745.10
  4. Step 4: Simplify right side
    814,359.08x = 300,189,441,242.27
  5. Step 5: Solve for x
    x = 300,189,441,242.27/814,359.08
  6. Step 6: Final answer
    x = 368,620.49

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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.