Home / 755,080.24-1,042,215.44-445,253.42

Finding the Fourth Proportional to 755,080.24, 1,042,215.44 and 445,253.42

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Solution

The fourth proportional to 755,080.24, 1,042,215.44 and 445,253.42 is: 614,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,080.24 : 1,042,215.44 = 445,253.42 : x
  2. Step 2: Convert to fraction form
    755,080.24/1,042,215.44 = 445,253.42/x
  3. Step 3: Cross multiply
    755,080.24x = 1,042,215.44 × 445,253.42
  4. Step 4: Simplify right side
    755,080.24x = 464,049,989,036.81
  5. Step 5: Solve for x
    x = 464,049,989,036.81/755,080.24
  6. Step 6: Final answer
    x = 614,570.43

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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.