Home / 744,902.80-1,027,894.69-418,140.94

Finding the Fourth Proportional to 744,902.80, 1,027,894.69 and 418,140.94

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Solution

The fourth proportional to 744,902.80, 1,027,894.69 and 418,140.94 is: 576,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,902.80 : 1,027,894.69 = 418,140.94 : x
  2. Step 2: Convert to fraction form
    744,902.80/1,027,894.69 = 418,140.94/x
  3. Step 3: Cross multiply
    744,902.80x = 1,027,894.69 × 418,140.94
  4. Step 4: Simplify right side
    744,902.80x = 429,804,851,897.61
  5. Step 5: Solve for x
    x = 429,804,851,897.61/744,902.80
  6. Step 6: Final answer
    x = 576,994.54

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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.