Home / 718,795.02-1,078,078.14-238,983

Finding the Fourth Proportional to 718,795.02, 1,078,078.14 and 238,983

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Solution

The fourth proportional to 718,795.02, 1,078,078.14 and 238,983 is: 358,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,795.02 : 1,078,078.14 = 238,983 : x
  2. Step 2: Convert to fraction form
    718,795.02/1,078,078.14 = 238,983/x
  3. Step 3: Cross multiply
    718,795.02x = 1,078,078.14 × 238,983
  4. Step 4: Simplify right side
    718,795.02x = 257,642,348,131.62
  5. Step 5: Solve for x
    x = 257,642,348,131.62/718,795.02
  6. Step 6: Final answer
    x = 358,436.47

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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.