Home / 479,569.76-719,498.64-227,042.72

Finding the Fourth Proportional to 479,569.76, 719,498.64 and 227,042.72

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Solution

The fourth proportional to 479,569.76, 719,498.64 and 227,042.72 is: 340,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,569.76 : 719,498.64 = 227,042.72 : x
  2. Step 2: Convert to fraction form
    479,569.76/719,498.64 = 227,042.72/x
  3. Step 3: Cross multiply
    479,569.76x = 719,498.64 × 227,042.72
  4. Step 4: Simplify right side
    479,569.76x = 163,356,928,261.90
  5. Step 5: Solve for x
    x = 163,356,928,261.90/479,569.76
  6. Step 6: Final answer
    x = 340,632.25

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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.