Home / 434,385.00-598,786.80-304,960.39

Finding the Fourth Proportional to 434,385.00, 598,786.80 and 304,960.39

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Solution

The fourth proportional to 434,385.00, 598,786.80 and 304,960.39 is: 420,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,385.00 : 598,786.80 = 304,960.39 : x
  2. Step 2: Convert to fraction form
    434,385.00/598,786.80 = 304,960.39/x
  3. Step 3: Cross multiply
    434,385.00x = 598,786.80 × 304,960.39
  4. Step 4: Simplify right side
    434,385.00x = 182,606,256,829.43
  5. Step 5: Solve for x
    x = 182,606,256,829.43/434,385.00
  6. Step 6: Final answer
    x = 420,378.83

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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.