Home / 476,478.72-657,292.44-385,936.92

Finding the Fourth Proportional to 476,478.72, 657,292.44 and 385,936.92

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Solution

The fourth proportional to 476,478.72, 657,292.44 and 385,936.92 is: 532,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,478.72 : 657,292.44 = 385,936.92 : x
  2. Step 2: Convert to fraction form
    476,478.72/657,292.44 = 385,936.92/x
  3. Step 3: Cross multiply
    476,478.72x = 657,292.44 × 385,936.92
  4. Step 4: Simplify right side
    476,478.72x = 253,673,419,832.89
  5. Step 5: Solve for x
    x = 253,673,419,832.89/476,478.72
  6. Step 6: Final answer
    x = 532,391.92

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1.5x scale

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.