Home / 537,787.08-742,146.02-299,379.40

Finding the Fourth Proportional to 537,787.08, 742,146.02 and 299,379.40

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Solution

The fourth proportional to 537,787.08, 742,146.02 and 299,379.40 is: 413,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,787.08 : 742,146.02 = 299,379.40 : x
  2. Step 2: Convert to fraction form
    537,787.08/742,146.02 = 299,379.40/x
  3. Step 3: Cross multiply
    537,787.08x = 742,146.02 × 299,379.40
  4. Step 4: Simplify right side
    537,787.08x = 222,183,230,179.99
  5. Step 5: Solve for x
    x = 222,183,230,179.99/537,787.08
  6. Step 6: Final answer
    x = 413,143.49

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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.