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Finding the Fourth Proportional to 481,776.48, 722,404.08 and 382,574.88

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Solution

The fourth proportional to 481,776.48, 722,404.08 and 382,574.88 is: 573,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,776.48 : 722,404.08 = 382,574.88 : x
  2. Step 2: Convert to fraction form
    481,776.48/722,404.08 = 382,574.88/x
  3. Step 3: Cross multiply
    481,776.48x = 722,404.08 × 382,574.88
  4. Step 4: Simplify right side
    481,776.48x = 276,373,654,217.51
  5. Step 5: Solve for x
    x = 276,373,654,217.51/481,776.48
  6. Step 6: Final answer
    x = 573,655.35

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1.5x scale

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.