Home / 805,046.31-1,110,966.24-442,507.32

Finding the Fourth Proportional to 805,046.31, 1,110,966.24 and 442,507.32

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Solution

The fourth proportional to 805,046.31, 1,110,966.24 and 442,507.32 is: 610,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,046.31 : 1,110,966.24 = 442,507.32 : x
  2. Step 2: Convert to fraction form
    805,046.31/1,110,966.24 = 442,507.32/x
  3. Step 3: Cross multiply
    805,046.31x = 1,110,966.24 × 442,507.32
  4. Step 4: Simplify right side
    805,046.31x = 491,610,693,472.88
  5. Step 5: Solve for x
    x = 491,610,693,472.88/805,046.31
  6. Step 6: Final answer
    x = 610,661.38

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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.