Home / 827,208.44-1,239,068.97-378,307.25

Finding the Fourth Proportional to 827,208.44, 1,239,068.97 and 378,307.25

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Solution

The fourth proportional to 827,208.44, 1,239,068.97 and 378,307.25 is: 566,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,208.44 : 1,239,068.97 = 378,307.25 : x
  2. Step 2: Convert to fraction form
    827,208.44/1,239,068.97 = 378,307.25/x
  3. Step 3: Cross multiply
    827,208.44x = 1,239,068.97 × 378,307.25
  4. Step 4: Simplify right side
    827,208.44x = 468,748,768,405.69
  5. Step 5: Solve for x
    x = 468,748,768,405.69/827,208.44
  6. Step 6: Final answer
    x = 566,663.43

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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.