Home / 642,606.43-964,174.32-282,592.21

Finding the Fourth Proportional to 642,606.43, 964,174.32 and 282,592.21

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Solution

The fourth proportional to 642,606.43, 964,174.32 and 282,592.21 is: 424,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,606.43 : 964,174.32 = 282,592.21 : x
  2. Step 2: Convert to fraction form
    642,606.43/964,174.32 = 282,592.21/x
  3. Step 3: Cross multiply
    642,606.43x = 964,174.32 × 282,592.21
  4. Step 4: Simplify right side
    642,606.43x = 272,468,150,501.09
  5. Step 5: Solve for x
    x = 272,468,150,501.09/642,606.43
  6. Step 6: Final answer
    x = 424,004.71

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1.5x scale

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.