Home / 904,305.56-1,247,936.75-496,414.35

Finding the Fourth Proportional to 904,305.56, 1,247,936.75 and 496,414.35

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Solution

The fourth proportional to 904,305.56, 1,247,936.75 and 496,414.35 is: 685,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,305.56 : 1,247,936.75 = 496,414.35 : x
  2. Step 2: Convert to fraction form
    904,305.56/1,247,936.75 = 496,414.35/x
  3. Step 3: Cross multiply
    904,305.56x = 1,247,936.75 × 496,414.35
  4. Step 4: Simplify right side
    904,305.56x = 619,493,701,870.61
  5. Step 5: Solve for x
    x = 619,493,701,870.61/904,305.56
  6. Step 6: Final answer
    x = 685,049.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.