Home / 494,587.32-682,313.80-290,546.20

Finding the Fourth Proportional to 494,587.32, 682,313.80 and 290,546.20

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Solution

The fourth proportional to 494,587.32, 682,313.80 and 290,546.20 is: 400,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,587.32 : 682,313.80 = 290,546.20 : x
  2. Step 2: Convert to fraction form
    494,587.32/682,313.80 = 290,546.20/x
  3. Step 3: Cross multiply
    494,587.32x = 682,313.80 × 290,546.20
  4. Step 4: Simplify right side
    494,587.32x = 198,243,679,468.10
  5. Step 5: Solve for x
    x = 198,243,679,468.10/494,587.32
  6. Step 6: Final answer
    x = 400,826.45

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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.