Home / 347,718.30-521,577.45-268,986.30

Finding the Fourth Proportional to 347,718.30, 521,577.45 and 268,986.30

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Solution

The fourth proportional to 347,718.30, 521,577.45 and 268,986.30 is: 403,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,718.30 : 521,577.45 = 268,986.30 : x
  2. Step 2: Convert to fraction form
    347,718.30/521,577.45 = 268,986.30/x
  3. Step 3: Cross multiply
    347,718.30x = 521,577.45 × 268,986.30
  4. Step 4: Simplify right side
    347,718.30x = 140,297,188,438.94
  5. Step 5: Solve for x
    x = 140,297,188,438.94/347,718.30
  6. Step 6: Final answer
    x = 403,479.45

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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.