Home / 548,947.33-757,547.19-307,229.88

Finding the Fourth Proportional to 548,947.33, 757,547.19 and 307,229.88

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Solution

The fourth proportional to 548,947.33, 757,547.19 and 307,229.88 is: 423,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,947.33 : 757,547.19 = 307,229.88 : x
  2. Step 2: Convert to fraction form
    548,947.33/757,547.19 = 307,229.88/x
  3. Step 3: Cross multiply
    548,947.33x = 757,547.19 × 307,229.88
  4. Step 4: Simplify right side
    548,947.33x = 232,741,135,118.84
  5. Step 5: Solve for x
    x = 232,741,135,118.84/548,947.33
  6. Step 6: Final answer
    x = 423,977.17

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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.