Home / 476,552.42-657,638.92-261,688.16

Finding the Fourth Proportional to 476,552.42, 657,638.92 and 261,688.16

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Solution

The fourth proportional to 476,552.42, 657,638.92 and 261,688.16 is: 361,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,552.42 : 657,638.92 = 261,688.16 : x
  2. Step 2: Convert to fraction form
    476,552.42/657,638.92 = 261,688.16/x
  3. Step 3: Cross multiply
    476,552.42x = 657,638.92 × 261,688.16
  4. Step 4: Simplify right side
    476,552.42x = 172,096,318,919.19
  5. Step 5: Solve for x
    x = 172,096,318,919.19/476,552.42
  6. Step 6: Final answer
    x = 361,127.78

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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.