Home / 511,224.40-705,542.16-307,341.73

Finding the Fourth Proportional to 511,224.40, 705,542.16 and 307,341.73

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Solution

The fourth proportional to 511,224.40, 705,542.16 and 307,341.73 is: 424,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,224.40 : 705,542.16 = 307,341.73 : x
  2. Step 2: Convert to fraction form
    511,224.40/705,542.16 = 307,341.73/x
  3. Step 3: Cross multiply
    511,224.40x = 705,542.16 × 307,341.73
  4. Step 4: Simplify right side
    511,224.40x = 216,842,548,042.34
  5. Step 5: Solve for x
    x = 216,842,548,042.34/511,224.40
  6. Step 6: Final answer
    x = 424,163.14

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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.