Home / 545,370.12-752,601.78-319,053.96

Finding the Fourth Proportional to 545,370.12, 752,601.78 and 319,053.96

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Solution

The fourth proportional to 545,370.12, 752,601.78 and 319,053.96 is: 440,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,370.12 : 752,601.78 = 319,053.96 : x
  2. Step 2: Convert to fraction form
    545,370.12/752,601.78 = 319,053.96/x
  3. Step 3: Cross multiply
    545,370.12x = 752,601.78 × 319,053.96
  4. Step 4: Simplify right side
    545,370.12x = 240,120,578,212.05
  5. Step 5: Solve for x
    x = 240,120,578,212.05/545,370.12
  6. Step 6: Final answer
    x = 440,289.21

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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.