Home / 757,899.92-1,045,910.28-418,368.56

Finding the Fourth Proportional to 757,899.92, 1,045,910.28 and 418,368.56

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Solution

The fourth proportional to 757,899.92, 1,045,910.28 and 418,368.56 is: 577,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,899.92 : 1,045,910.28 = 418,368.56 : x
  2. Step 2: Convert to fraction form
    757,899.92/1,045,910.28 = 418,368.56/x
  3. Step 3: Cross multiply
    757,899.92x = 1,045,910.28 × 418,368.56
  4. Step 4: Simplify right side
    757,899.92x = 437,575,977,732.80
  5. Step 5: Solve for x
    x = 437,575,977,732.80/757,899.92
  6. Step 6: Final answer
    x = 577,353.24

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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.