Home / 755,721.77-1,042,833.01-445,575.10

Finding the Fourth Proportional to 755,721.77, 1,042,833.01 and 445,575.10

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Solution

The fourth proportional to 755,721.77, 1,042,833.01 and 445,575.10 is: 614,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,721.77 : 1,042,833.01 = 445,575.10 : x
  2. Step 2: Convert to fraction form
    755,721.77/1,042,833.01 = 445,575.10/x
  3. Step 3: Cross multiply
    755,721.77x = 1,042,833.01 × 445,575.10
  4. Step 4: Simplify right side
    755,721.77x = 464,660,422,714.05
  5. Step 5: Solve for x
    x = 464,660,422,714.05/755,721.77
  6. Step 6: Final answer
    x = 614,856.47

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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.