Home / 684,803.73-1,027,424.31-329,853.63

Finding the Fourth Proportional to 684,803.73, 1,027,424.31 and 329,853.63

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Solution

The fourth proportional to 684,803.73, 1,027,424.31 and 329,853.63 is: 494,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,803.73 : 1,027,424.31 = 329,853.63 : x
  2. Step 2: Convert to fraction form
    684,803.73/1,027,424.31 = 329,853.63/x
  3. Step 3: Cross multiply
    684,803.73x = 1,027,424.31 × 329,853.63
  4. Step 4: Simplify right side
    684,803.73x = 338,899,638,203.75
  5. Step 5: Solve for x
    x = 338,899,638,203.75/684,803.73
  6. Step 6: Final answer
    x = 494,885.79

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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.