Home / 775,822.59-1,070,640.45-431,673

Finding the Fourth Proportional to 775,822.59, 1,070,640.45 and 431,673

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Solution

The fourth proportional to 775,822.59, 1,070,640.45 and 431,673 is: 595,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,822.59 : 1,070,640.45 = 431,673 : x
  2. Step 2: Convert to fraction form
    775,822.59/1,070,640.45 = 431,673/x
  3. Step 3: Cross multiply
    775,822.59x = 1,070,640.45 × 431,673
  4. Step 4: Simplify right side
    775,822.59x = 462,166,574,972.85
  5. Step 5: Solve for x
    x = 462,166,574,972.85/775,822.59
  6. Step 6: Final answer
    x = 595,711.68

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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.