Home / 347,840.20-521,760.30-338,624.20

Finding the Fourth Proportional to 347,840.20, 521,760.30 and 338,624.20

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Solution

The fourth proportional to 347,840.20, 521,760.30 and 338,624.20 is: 507,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,840.20 : 521,760.30 = 338,624.20 : x
  2. Step 2: Convert to fraction form
    347,840.20/521,760.30 = 338,624.20/x
  3. Step 3: Cross multiply
    347,840.20x = 521,760.30 × 338,624.20
  4. Step 4: Simplify right side
    347,840.20x = 176,680,664,179.26
  5. Step 5: Solve for x
    x = 176,680,664,179.26/347,840.20
  6. Step 6: Final answer
    x = 507,936.30

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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.