Home / 427,890.72-590,617.20-276,997.92

Finding the Fourth Proportional to 427,890.72, 590,617.20 and 276,997.92

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Solution

The fourth proportional to 427,890.72, 590,617.20 and 276,997.92 is: 382,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,890.72 : 590,617.20 = 276,997.92 : x
  2. Step 2: Convert to fraction form
    427,890.72/590,617.20 = 276,997.92/x
  3. Step 3: Cross multiply
    427,890.72x = 590,617.20 × 276,997.92
  4. Step 4: Simplify right side
    427,890.72x = 163,599,735,916.22
  5. Step 5: Solve for x
    x = 163,599,735,916.22/427,890.72
  6. Step 6: Final answer
    x = 382,340.00

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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.