Home / 901,346.20-1,243,771.41-538,697.86

Finding the Fourth Proportional to 901,346.20, 1,243,771.41 and 538,697.86

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Solution

The fourth proportional to 901,346.20, 1,243,771.41 and 538,697.86 is: 743,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,346.20 : 1,243,771.41 = 538,697.86 : x
  2. Step 2: Convert to fraction form
    901,346.20/1,243,771.41 = 538,697.86/x
  3. Step 3: Cross multiply
    901,346.20x = 1,243,771.41 × 538,697.86
  4. Step 4: Simplify right side
    901,346.20x = 670,016,996,896.18
  5. Step 5: Solve for x
    x = 670,016,996,896.18/901,346.20
  6. Step 6: Final answer
    x = 743,351.44

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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.