Home / 662,616.93-993,975.74-257,635.14

Finding the Fourth Proportional to 662,616.93, 993,975.74 and 257,635.14

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Solution

The fourth proportional to 662,616.93, 993,975.74 and 257,635.14 is: 386,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,616.93 : 993,975.74 = 257,635.14 : x
  2. Step 2: Convert to fraction form
    662,616.93/993,975.74 = 257,635.14/x
  3. Step 3: Cross multiply
    662,616.93x = 993,975.74 × 257,635.14
  4. Step 4: Simplify right side
    662,616.93x = 256,083,082,957.84
  5. Step 5: Solve for x
    x = 256,083,082,957.84/662,616.93
  6. Step 6: Final answer
    x = 386,472.29

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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.