Home / 485,840.26-670,460.72-270,994.24

Finding the Fourth Proportional to 485,840.26, 670,460.72 and 270,994.24

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Solution

The fourth proportional to 485,840.26, 670,460.72 and 270,994.24 is: 373,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,840.26 : 670,460.72 = 270,994.24 : x
  2. Step 2: Convert to fraction form
    485,840.26/670,460.72 = 270,994.24/x
  3. Step 3: Cross multiply
    485,840.26x = 670,460.72 × 270,994.24
  4. Step 4: Simplify right side
    485,840.26x = 181,690,993,266.25
  5. Step 5: Solve for x
    x = 181,690,993,266.25/485,840.26
  6. Step 6: Final answer
    x = 373,972.70

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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.