Home / 839,121.57-1,157,989.23-476,545.35

Finding the Fourth Proportional to 839,121.57, 1,157,989.23 and 476,545.35

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Solution

The fourth proportional to 839,121.57, 1,157,989.23 and 476,545.35 is: 657,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,121.57 : 1,157,989.23 = 476,545.35 : x
  2. Step 2: Convert to fraction form
    839,121.57/1,157,989.23 = 476,545.35/x
  3. Step 3: Cross multiply
    839,121.57x = 1,157,989.23 × 476,545.35
  4. Step 4: Simplify right side
    839,121.57x = 551,834,382,906.58
  5. Step 5: Solve for x
    x = 551,834,382,906.58/839,121.57
  6. Step 6: Final answer
    x = 657,633.41

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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.