Home / 873,304.31-1,205,062.44-491,322.89

Finding the Fourth Proportional to 873,304.31, 1,205,062.44 and 491,322.89

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Solution

The fourth proportional to 873,304.31, 1,205,062.44 and 491,322.89 is: 677,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,304.31 : 1,205,062.44 = 491,322.89 : x
  2. Step 2: Convert to fraction form
    873,304.31/1,205,062.44 = 491,322.89/x
  3. Step 3: Cross multiply
    873,304.31x = 1,205,062.44 × 491,322.89
  4. Step 4: Simplify right side
    873,304.31x = 592,074,760,651.25
  5. Step 5: Solve for x
    x = 592,074,760,651.25/873,304.31
  6. Step 6: Final answer
    x = 677,970.73

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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.