Home / 757,893.18-1,045,890.45-418,359

Finding the Fourth Proportional to 757,893.18, 1,045,890.45 and 418,359

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Solution

The fourth proportional to 757,893.18, 1,045,890.45 and 418,359 is: 577,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,893.18 : 1,045,890.45 = 418,359 : x
  2. Step 2: Convert to fraction form
    757,893.18/1,045,890.45 = 418,359/x
  3. Step 3: Cross multiply
    757,893.18x = 1,045,890.45 × 418,359
  4. Step 4: Simplify right side
    757,893.18x = 437,557,682,771.55
  5. Step 5: Solve for x
    x = 437,557,682,771.55/757,893.18
  6. Step 6: Final answer
    x = 577,334.24

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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.