Home / 572,904.15-858,947.45-269,128.77

Finding the Fourth Proportional to 572,904.15, 858,947.45 and 269,128.77

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Solution

The fourth proportional to 572,904.15, 858,947.45 and 269,128.77 is: 403,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,904.15 : 858,947.45 = 269,128.77 : x
  2. Step 2: Convert to fraction form
    572,904.15/858,947.45 = 269,128.77/x
  3. Step 3: Cross multiply
    572,904.15x = 858,947.45 × 269,128.77
  4. Step 4: Simplify right side
    572,904.15x = 231,167,469,367.49
  5. Step 5: Solve for x
    x = 231,167,469,367.49/572,904.15
  6. Step 6: Final answer
    x = 403,501.13

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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.