Home / 545,909.04-753,346.86-304,201.80

Finding the Fourth Proportional to 545,909.04, 753,346.86 and 304,201.80

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Solution

The fourth proportional to 545,909.04, 753,346.86 and 304,201.80 is: 419,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,909.04 : 753,346.86 = 304,201.80 : x
  2. Step 2: Convert to fraction form
    545,909.04/753,346.86 = 304,201.80/x
  3. Step 3: Cross multiply
    545,909.04x = 753,346.86 × 304,201.80
  4. Step 4: Simplify right side
    545,909.04x = 229,169,470,836.35
  5. Step 5: Solve for x
    x = 229,169,470,836.35/545,909.04
  6. Step 6: Final answer
    x = 419,794.24

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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.