Home / 537,956.64-742,382.28-323,100.36

Finding the Fourth Proportional to 537,956.64, 742,382.28 and 323,100.36

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Solution

The fourth proportional to 537,956.64, 742,382.28 and 323,100.36 is: 445,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,956.64 : 742,382.28 = 323,100.36 : x
  2. Step 2: Convert to fraction form
    537,956.64/742,382.28 = 323,100.36/x
  3. Step 3: Cross multiply
    537,956.64x = 742,382.28 × 323,100.36
  4. Step 4: Simplify right side
    537,956.64x = 239,863,981,925.62
  5. Step 5: Solve for x
    x = 239,863,981,925.62/537,956.64
  6. Step 6: Final answer
    x = 445,879.77

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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.