Home / 757,826.12-1,045,800.16-418,294.46

Finding the Fourth Proportional to 757,826.12, 1,045,800.16 and 418,294.46

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Solution

The fourth proportional to 757,826.12, 1,045,800.16 and 418,294.46 is: 577,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,826.12 : 1,045,800.16 = 418,294.46 : x
  2. Step 2: Convert to fraction form
    757,826.12/1,045,800.16 = 418,294.46/x
  3. Step 3: Cross multiply
    757,826.12x = 1,045,800.16 × 418,294.46
  4. Step 4: Simplify right side
    757,826.12x = 437,452,413,195.11
  5. Step 5: Solve for x
    x = 437,452,413,195.11/757,826.12
  6. Step 6: Final answer
    x = 577,246.42

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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.