Home / 548,736.12-757,220.22-306,976.92

Finding the Fourth Proportional to 548,736.12, 757,220.22 and 306,976.92

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Solution

The fourth proportional to 548,736.12, 757,220.22 and 306,976.92 is: 423,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,736.12 : 757,220.22 = 306,976.92 : x
  2. Step 2: Convert to fraction form
    548,736.12/757,220.22 = 306,976.92/x
  3. Step 3: Cross multiply
    548,736.12x = 757,220.22 × 306,976.92
  4. Step 4: Simplify right side
    548,736.12x = 232,449,130,897.32
  5. Step 5: Solve for x
    x = 232,449,130,897.32/548,736.12
  6. Step 6: Final answer
    x = 423,608.22

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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.