Home / 873,484.44-1,205,395.74-491,481.24

Finding the Fourth Proportional to 873,484.44, 1,205,395.74 and 491,481.24

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Solution

The fourth proportional to 873,484.44, 1,205,395.74 and 491,481.24 is: 678,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,484.44 : 1,205,395.74 = 491,481.24 : x
  2. Step 2: Convert to fraction form
    873,484.44/1,205,395.74 = 491,481.24/x
  3. Step 3: Cross multiply
    873,484.44x = 1,205,395.74 × 491,481.24
  4. Step 4: Simplify right side
    873,484.44x = 592,429,392,985.92
  5. Step 5: Solve for x
    x = 592,429,392,985.92/873,484.44
  6. Step 6: Final answer
    x = 678,236.92

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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.