Home / 775,768.91-1,070,557.80-431,637.77

Finding the Fourth Proportional to 775,768.91, 1,070,557.80 and 431,637.77

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Solution

The fourth proportional to 775,768.91, 1,070,557.80 and 431,637.77 is: 595,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,768.91 : 1,070,557.80 = 431,637.77 : x
  2. Step 2: Convert to fraction form
    775,768.91/1,070,557.80 = 431,637.77/x
  3. Step 3: Cross multiply
    775,768.91x = 1,070,557.80 × 431,637.77
  4. Step 4: Simplify right side
    775,768.91x = 462,093,176,095.32
  5. Step 5: Solve for x
    x = 462,093,176,095.32/775,768.91
  6. Step 6: Final answer
    x = 595,658.29

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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.