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Finding the Fourth Proportional to 590,524.60, 885,786.90 and 401,567.80

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Solution

The fourth proportional to 590,524.60, 885,786.90 and 401,567.80 is: 602,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,524.60 : 885,786.90 = 401,567.80 : x
  2. Step 2: Convert to fraction form
    590,524.60/885,786.90 = 401,567.80/x
  3. Step 3: Cross multiply
    590,524.60x = 885,786.90 × 401,567.80
  4. Step 4: Simplify right side
    590,524.60x = 355,703,496,701.82
  5. Step 5: Solve for x
    x = 355,703,496,701.82/590,524.60
  6. Step 6: Final answer
    x = 602,351.70

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Similar ratio
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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.