Home / 757,928.52-1,045,941.54-418,397

Finding the Fourth Proportional to 757,928.52, 1,045,941.54 and 418,397

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Solution

The fourth proportional to 757,928.52, 1,045,941.54 and 418,397 is: 577,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,928.52 : 1,045,941.54 = 418,397 : x
  2. Step 2: Convert to fraction form
    757,928.52/1,045,941.54 = 418,397/x
  3. Step 3: Cross multiply
    757,928.52x = 1,045,941.54 × 418,397
  4. Step 4: Simplify right side
    757,928.52x = 437,618,802,511.38
  5. Step 5: Solve for x
    x = 437,618,802,511.38/757,928.52
  6. Step 6: Final answer
    x = 577,387.96

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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.