Home / 757,945.67-1,045,958.60-418,406.63

Finding the Fourth Proportional to 757,945.67, 1,045,958.60 and 418,406.63

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Solution

The fourth proportional to 757,945.67, 1,045,958.60 and 418,406.63 is: 577,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,945.67 : 1,045,958.60 = 418,406.63 : x
  2. Step 2: Convert to fraction form
    757,945.67/1,045,958.60 = 418,406.63/x
  3. Step 3: Cross multiply
    757,945.67x = 1,045,958.60 × 418,406.63
  4. Step 4: Simplify right side
    757,945.67x = 437,636,008,761.74
  5. Step 5: Solve for x
    x = 437,636,008,761.74/757,945.67
  6. Step 6: Final answer
    x = 577,397.60

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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.