Home / 757,974.58-1,045,977.51-418,435.54

Finding the Fourth Proportional to 757,974.58, 1,045,977.51 and 418,435.54

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Solution

The fourth proportional to 757,974.58, 1,045,977.51 and 418,435.54 is: 577,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,974.58 : 1,045,977.51 = 418,435.54 : x
  2. Step 2: Convert to fraction form
    757,974.58/1,045,977.51 = 418,435.54/x
  3. Step 3: Cross multiply
    757,974.58x = 1,045,977.51 × 418,435.54
  4. Step 4: Simplify right side
    757,974.58x = 437,674,164,224.71
  5. Step 5: Solve for x
    x = 437,674,164,224.71/757,974.58
  6. Step 6: Final answer
    x = 577,425.91

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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.