Home / 538,243.02-807,382.98-285,181.20

Finding the Fourth Proportional to 538,243.02, 807,382.98 and 285,181.20

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Solution

The fourth proportional to 538,243.02, 807,382.98 and 285,181.20 is: 427,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,243.02 : 807,382.98 = 285,181.20 : x
  2. Step 2: Convert to fraction form
    538,243.02/807,382.98 = 285,181.20/x
  3. Step 3: Cross multiply
    538,243.02x = 807,382.98 × 285,181.20
  4. Step 4: Simplify right side
    538,243.02x = 230,250,447,095.98
  5. Step 5: Solve for x
    x = 230,250,447,095.98/538,243.02
  6. Step 6: Final answer
    x = 427,781.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.