Home / 548,985.08-757,426.68-307,229.24

Finding the Fourth Proportional to 548,985.08, 757,426.68 and 307,229.24

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Solution

The fourth proportional to 548,985.08, 757,426.68 and 307,229.24 is: 423,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,985.08 : 757,426.68 = 307,229.24 : x
  2. Step 2: Convert to fraction form
    548,985.08/757,426.68 = 307,229.24/x
  3. Step 3: Cross multiply
    548,985.08x = 757,426.68 × 307,229.24
  4. Step 4: Simplify right side
    548,985.08x = 232,703,623,252.12
  5. Step 5: Solve for x
    x = 232,703,623,252.12/548,985.08
  6. Step 6: Final answer
    x = 423,879.69

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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.