Home / 548,701.29-757,237.23-306,969.48

Finding the Fourth Proportional to 548,701.29, 757,237.23 and 306,969.48

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Solution

The fourth proportional to 548,701.29, 757,237.23 and 306,969.48 is: 423,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,701.29 : 757,237.23 = 306,969.48 : x
  2. Step 2: Convert to fraction form
    548,701.29/757,237.23 = 306,969.48/x
  3. Step 3: Cross multiply
    548,701.29x = 757,237.23 × 306,969.48
  4. Step 4: Simplify right side
    548,701.29x = 232,448,718,729.74
  5. Step 5: Solve for x
    x = 232,448,718,729.74/548,701.29
  6. Step 6: Final answer
    x = 423,634.36

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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.