Home / 825,907.46-1,140,240.87-520,245.86

Finding the Fourth Proportional to 825,907.46, 1,140,240.87 and 520,245.86

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Solution

The fourth proportional to 825,907.46, 1,140,240.87 and 520,245.86 is: 718,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,907.46 : 1,140,240.87 = 520,245.86 : x
  2. Step 2: Convert to fraction form
    825,907.46/1,140,240.87 = 520,245.86/x
  3. Step 3: Cross multiply
    825,907.46x = 1,140,240.87 × 520,245.86
  4. Step 4: Simplify right side
    825,907.46x = 593,205,592,020.30
  5. Step 5: Solve for x
    x = 593,205,592,020.30/825,907.46
  6. Step 6: Final answer
    x = 718,247.04

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Double scale
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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.