Home / 771,678.47-1,157,577.51-231,892.58

Finding the Fourth Proportional to 771,678.47, 1,157,577.51 and 231,892.58

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Solution

The fourth proportional to 771,678.47, 1,157,577.51 and 231,892.58 is: 347,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,678.47 : 1,157,577.51 = 231,892.58 : x
  2. Step 2: Convert to fraction form
    771,678.47/1,157,577.51 = 231,892.58/x
  3. Step 3: Cross multiply
    771,678.47x = 1,157,577.51 × 231,892.58
  4. Step 4: Simplify right side
    771,678.47x = 268,433,635,343.88
  5. Step 5: Solve for x
    x = 268,433,635,343.88/771,678.47
  6. Step 6: Final answer
    x = 347,856.84

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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.