Home / 420,525.41-580,325.13-229,538.82

Finding the Fourth Proportional to 420,525.41, 580,325.13 and 229,538.82

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Solution

The fourth proportional to 420,525.41, 580,325.13 and 229,538.82 is: 316,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,525.41 : 580,325.13 = 229,538.82 : x
  2. Step 2: Convert to fraction form
    420,525.41/580,325.13 = 229,538.82/x
  3. Step 3: Cross multiply
    420,525.41x = 580,325.13 × 229,538.82
  4. Step 4: Simplify right side
    420,525.41x = 133,207,145,556.55
  5. Step 5: Solve for x
    x = 133,207,145,556.55/420,525.41
  6. Step 6: Final answer
    x = 316,763.60

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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.