Home / 762,249.70-1,051,897.42-418,078.63

Finding the Fourth Proportional to 762,249.70, 1,051,897.42 and 418,078.63

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Solution

The fourth proportional to 762,249.70, 1,051,897.42 and 418,078.63 is: 576,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,249.70 : 1,051,897.42 = 418,078.63 : x
  2. Step 2: Convert to fraction form
    762,249.70/1,051,897.42 = 418,078.63/x
  3. Step 3: Cross multiply
    762,249.70x = 1,051,897.42 × 418,078.63
  4. Step 4: Simplify right side
    762,249.70x = 439,775,834,091.61
  5. Step 5: Solve for x
    x = 439,775,834,091.61/762,249.70
  6. Step 6: Final answer
    x = 576,944.58

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1.5x scale

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.