Home / 545,845.50-753,281.37-304,138.26

Finding the Fourth Proportional to 545,845.50, 753,281.37 and 304,138.26

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Solution

The fourth proportional to 545,845.50, 753,281.37 and 304,138.26 is: 419,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,845.50 : 753,281.37 = 304,138.26 : x
  2. Step 2: Convert to fraction form
    545,845.50/753,281.37 = 304,138.26/x
  3. Step 3: Cross multiply
    545,845.50x = 753,281.37 × 304,138.26
  4. Step 4: Simplify right side
    545,845.50x = 229,101,685,162.22
  5. Step 5: Solve for x
    x = 229,101,685,162.22/545,845.50
  6. Step 6: Final answer
    x = 419,718.92

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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.