Home / 765,333.56-1,148,011.38-266,697.56

Finding the Fourth Proportional to 765,333.56, 1,148,011.38 and 266,697.56

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Solution

The fourth proportional to 765,333.56, 1,148,011.38 and 266,697.56 is: 400,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,333.56 : 1,148,011.38 = 266,697.56 : x
  2. Step 2: Convert to fraction form
    765,333.56/1,148,011.38 = 266,697.56/x
  3. Step 3: Cross multiply
    765,333.56x = 1,148,011.38 × 266,697.56
  4. Step 4: Simplify right side
    765,333.56x = 306,171,836,768.26
  5. Step 5: Solve for x
    x = 306,171,836,768.26/765,333.56
  6. Step 6: Final answer
    x = 400,050.19

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Double scale
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Similar ratio
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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.