Home / 873,330.68-1,309,996.01-242,244.49

Finding the Fourth Proportional to 873,330.68, 1,309,996.01 and 242,244.49

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Solution

The fourth proportional to 873,330.68, 1,309,996.01 and 242,244.49 is: 363,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,330.68 : 1,309,996.01 = 242,244.49 : x
  2. Step 2: Convert to fraction form
    873,330.68/1,309,996.01 = 242,244.49/x
  3. Step 3: Cross multiply
    873,330.68x = 1,309,996.01 × 242,244.49
  4. Step 4: Simplify right side
    873,330.68x = 317,339,308,794.51
  5. Step 5: Solve for x
    x = 317,339,308,794.51/873,330.68
  6. Step 6: Final answer
    x = 363,366.73

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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.