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Finding the Fourth Proportional to 473,991.49, 654,110.57 and 259,131.57

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Solution

The fourth proportional to 473,991.49, 654,110.57 and 259,131.57 is: 357,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,991.49 : 654,110.57 = 259,131.57 : x
  2. Step 2: Convert to fraction form
    473,991.49/654,110.57 = 259,131.57/x
  3. Step 3: Cross multiply
    473,991.49x = 654,110.57 × 259,131.57
  4. Step 4: Simplify right side
    473,991.49x = 169,500,695,687.14
  5. Step 5: Solve for x
    x = 169,500,695,687.14/473,991.49
  6. Step 6: Final answer
    x = 357,602.82

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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.