Home / 545,781.03-753,158.79-304,051.11

Finding the Fourth Proportional to 545,781.03, 753,158.79 and 304,051.11

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Solution

The fourth proportional to 545,781.03, 753,158.79 and 304,051.11 is: 419,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,781.03 : 753,158.79 = 304,051.11 : x
  2. Step 2: Convert to fraction form
    545,781.03/753,158.79 = 304,051.11/x
  3. Step 3: Cross multiply
    545,781.03x = 753,158.79 × 304,051.11
  4. Step 4: Simplify right side
    545,781.03x = 228,998,766,105.76
  5. Step 5: Solve for x
    x = 228,998,766,105.76/545,781.03
  6. Step 6: Final answer
    x = 419,579.93

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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.