Home / 345,729.32-476,020.79-293,944.58

Finding the Fourth Proportional to 345,729.32, 476,020.79 and 293,944.58

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Solution

The fourth proportional to 345,729.32, 476,020.79 and 293,944.58 is: 404,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,729.32 : 476,020.79 = 293,944.58 : x
  2. Step 2: Convert to fraction form
    345,729.32/476,020.79 = 293,944.58/x
  3. Step 3: Cross multiply
    345,729.32x = 476,020.79 × 293,944.58
  4. Step 4: Simplify right side
    345,729.32x = 139,923,727,337.99
  5. Step 5: Solve for x
    x = 139,923,727,337.99/345,729.32
  6. Step 6: Final answer
    x = 404,720.46

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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.