Home / 757,982.58-1,045,988.55-418,443.54

Finding the Fourth Proportional to 757,982.58, 1,045,988.55 and 418,443.54

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Solution

The fourth proportional to 757,982.58, 1,045,988.55 and 418,443.54 is: 577,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,982.58 : 1,045,988.55 = 418,443.54 : x
  2. Step 2: Convert to fraction form
    757,982.58/1,045,988.55 = 418,443.54/x
  3. Step 3: Cross multiply
    757,982.58x = 1,045,988.55 × 418,443.54
  4. Step 4: Simplify right side
    757,982.58x = 437,687,151,661.47
  5. Step 5: Solve for x
    x = 437,687,151,661.47/757,982.58
  6. Step 6: Final answer
    x = 577,436.95

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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.