Home / 629,154.87-867,957.54-425,131.46

Finding the Fourth Proportional to 629,154.87, 867,957.54 and 425,131.46

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Solution

The fourth proportional to 629,154.87, 867,957.54 and 425,131.46 is: 586,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,154.87 : 867,957.54 = 425,131.46 : x
  2. Step 2: Convert to fraction form
    629,154.87/867,957.54 = 425,131.46/x
  3. Step 3: Cross multiply
    629,154.87x = 867,957.54 × 425,131.46
  4. Step 4: Simplify right side
    629,154.87x = 368,996,056,557.99
  5. Step 5: Solve for x
    x = 368,996,056,557.99/629,154.87
  6. Step 6: Final answer
    x = 586,494.80

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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.