Home / 804,047.20-1,206,992.40-471,810.40

Finding the Fourth Proportional to 804,047.20, 1,206,992.40 and 471,810.40

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Solution

The fourth proportional to 804,047.20, 1,206,992.40 and 471,810.40 is: 708,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,047.20 : 1,206,992.40 = 471,810.40 : x
  2. Step 2: Convert to fraction form
    804,047.20/1,206,992.40 = 471,810.40/x
  3. Step 3: Cross multiply
    804,047.20x = 1,206,992.40 × 471,810.40
  4. Step 4: Simplify right side
    804,047.20x = 569,471,567,040.96
  5. Step 5: Solve for x
    x = 569,471,567,040.96/804,047.20
  6. Step 6: Final answer
    x = 708,256.39

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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.