Home / 545,609.31-752,680.07-423,917.79

Finding the Fourth Proportional to 545,609.31, 752,680.07 and 423,917.79

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Solution

The fourth proportional to 545,609.31, 752,680.07 and 423,917.79 is: 584,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,609.31 : 752,680.07 = 423,917.79 : x
  2. Step 2: Convert to fraction form
    545,609.31/752,680.07 = 423,917.79/x
  3. Step 3: Cross multiply
    545,609.31x = 752,680.07 × 423,917.79
  4. Step 4: Simplify right side
    545,609.31x = 319,074,468,499.00
  5. Step 5: Solve for x
    x = 319,074,468,499.00/545,609.31
  6. Step 6: Final answer
    x = 584,803.93

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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.