Home / 642,720.62-964,207.04-237,916.37

Finding the Fourth Proportional to 642,720.62, 964,207.04 and 237,916.37

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Solution

The fourth proportional to 642,720.62, 964,207.04 and 237,916.37 is: 356,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,720.62 : 964,207.04 = 237,916.37 : x
  2. Step 2: Convert to fraction form
    642,720.62/964,207.04 = 237,916.37/x
  3. Step 3: Cross multiply
    642,720.62x = 964,207.04 × 237,916.37
  4. Step 4: Simplify right side
    642,720.62x = 229,400,641,444.46
  5. Step 5: Solve for x
    x = 229,400,641,444.46/642,720.62
  6. Step 6: Final answer
    x = 356,921.24

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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.