Home / 729,579.96-1,094,422.23-280,300.86

Finding the Fourth Proportional to 729,579.96, 1,094,422.23 and 280,300.86

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Solution

The fourth proportional to 729,579.96, 1,094,422.23 and 280,300.86 is: 420,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,579.96 : 1,094,422.23 = 280,300.86 : x
  2. Step 2: Convert to fraction form
    729,579.96/1,094,422.23 = 280,300.86/x
  3. Step 3: Cross multiply
    729,579.96x = 1,094,422.23 × 280,300.86
  4. Step 4: Simplify right side
    729,579.96x = 306,767,492,272.12
  5. Step 5: Solve for x
    x = 306,767,492,272.12/729,579.96
  6. Step 6: Final answer
    x = 420,471.38

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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.