Home / 538,577.44-743,946.78-402,374.68

Finding the Fourth Proportional to 538,577.44, 743,946.78 and 402,374.68

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Solution

The fourth proportional to 538,577.44, 743,946.78 and 402,374.68 is: 555,807.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,577.44 : 743,946.78 = 402,374.68 : x
  2. Step 2: Convert to fraction form
    538,577.44/743,946.78 = 402,374.68/x
  3. Step 3: Cross multiply
    538,577.44x = 743,946.78 × 402,374.68
  4. Step 4: Simplify right side
    538,577.44x = 299,345,347,539.53
  5. Step 5: Solve for x
    x = 299,345,347,539.53/538,577.44
  6. Step 6: Final answer
    x = 555,807.44

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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.