Home / 494,374.19-682,254.72-279,501.44

Finding the Fourth Proportional to 494,374.19, 682,254.72 and 279,501.44

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Solution

The fourth proportional to 494,374.19, 682,254.72 and 279,501.44 is: 385,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,374.19 : 682,254.72 = 279,501.44 : x
  2. Step 2: Convert to fraction form
    494,374.19/682,254.72 = 279,501.44/x
  3. Step 3: Cross multiply
    494,374.19x = 682,254.72 × 279,501.44
  4. Step 4: Simplify right side
    494,374.19x = 190,691,173,275.52
  5. Step 5: Solve for x
    x = 190,691,173,275.52/494,374.19
  6. Step 6: Final answer
    x = 385,722.35

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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.