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Finding the Fourth Proportional to 548,701.19, 757,237.06 and 306,969.35

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Solution

The fourth proportional to 548,701.19, 757,237.06 and 306,969.35 is: 423,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,701.19 : 757,237.06 = 306,969.35 : x
  2. Step 2: Convert to fraction form
    548,701.19/757,237.06 = 306,969.35/x
  3. Step 3: Cross multiply
    548,701.19x = 757,237.06 × 306,969.35
  4. Step 4: Simplify right side
    548,701.19x = 232,448,562,974.94
  5. Step 5: Solve for x
    x = 232,448,562,974.94/548,701.19
  6. Step 6: Final answer
    x = 423,634.15

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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.