Home / 548,982.32-757,422.90-307,226.48

Finding the Fourth Proportional to 548,982.32, 757,422.90 and 307,226.48

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Solution

The fourth proportional to 548,982.32, 757,422.90 and 307,226.48 is: 423,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,982.32 : 757,422.90 = 307,226.48 : x
  2. Step 2: Convert to fraction form
    548,982.32/757,422.90 = 307,226.48/x
  3. Step 3: Cross multiply
    548,982.32x = 757,422.90 × 307,226.48
  4. Step 4: Simplify right side
    548,982.32x = 232,700,367,651.28
  5. Step 5: Solve for x
    x = 232,700,367,651.28/548,982.32
  6. Step 6: Final answer
    x = 423,875.89

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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.