Home / 347,220.41-520,826.90-263,494.76

Finding the Fourth Proportional to 347,220.41, 520,826.90 and 263,494.76

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Solution

The fourth proportional to 347,220.41, 520,826.90 and 263,494.76 is: 395,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,220.41 : 520,826.90 = 263,494.76 : x
  2. Step 2: Convert to fraction form
    347,220.41/520,826.90 = 263,494.76/x
  3. Step 3: Cross multiply
    347,220.41x = 520,826.90 × 263,494.76
  4. Step 4: Simplify right side
    347,220.41x = 137,235,155,095.44
  5. Step 5: Solve for x
    x = 137,235,155,095.44/347,220.41
  6. Step 6: Final answer
    x = 395,239.32

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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.