Home / 476,318.96-657,317.64-261,462.80

Finding the Fourth Proportional to 476,318.96, 657,317.64 and 261,462.80

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Solution

The fourth proportional to 476,318.96, 657,317.64 and 261,462.80 is: 360,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,318.96 : 657,317.64 = 261,462.80 : x
  2. Step 2: Convert to fraction form
    476,318.96/657,317.64 = 261,462.80/x
  3. Step 3: Cross multiply
    476,318.96x = 657,317.64 × 261,462.80
  4. Step 4: Simplify right side
    476,318.96x = 171,864,110,643.79
  5. Step 5: Solve for x
    x = 171,864,110,643.79/476,318.96
  6. Step 6: Final answer
    x = 360,817.28

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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.