Home / 521,541.72-719,604.18-295,187.22

Finding the Fourth Proportional to 521,541.72, 719,604.18 and 295,187.22

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Solution

The fourth proportional to 521,541.72, 719,604.18 and 295,187.22 is: 407,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,541.72 : 719,604.18 = 295,187.22 : x
  2. Step 2: Convert to fraction form
    521,541.72/719,604.18 = 295,187.22/x
  3. Step 3: Cross multiply
    521,541.72x = 719,604.18 × 295,187.22
  4. Step 4: Simplify right side
    521,541.72x = 212,417,953,796.56
  5. Step 5: Solve for x
    x = 212,417,953,796.56/521,541.72
  6. Step 6: Final answer
    x = 407,288.52

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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.