Home / 424,816.91-585,948.79-279,576.41

Finding the Fourth Proportional to 424,816.91, 585,948.79 and 279,576.41

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Solution

The fourth proportional to 424,816.91, 585,948.79 and 279,576.41 is: 385,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,816.91 : 585,948.79 = 279,576.41 : x
  2. Step 2: Convert to fraction form
    424,816.91/585,948.79 = 279,576.41/x
  3. Step 3: Cross multiply
    424,816.91x = 585,948.79 × 279,576.41
  4. Step 4: Simplify right side
    424,816.91x = 163,817,459,917.98
  5. Step 5: Solve for x
    x = 163,817,459,917.98/424,816.91
  6. Step 6: Final answer
    x = 385,618.98

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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.