Home / 757,894.86-1,045,896.30-418,363.38

Finding the Fourth Proportional to 757,894.86, 1,045,896.30 and 418,363.38

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Solution

The fourth proportional to 757,894.86, 1,045,896.30 and 418,363.38 is: 577,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,894.86 : 1,045,896.30 = 418,363.38 : x
  2. Step 2: Convert to fraction form
    757,894.86/1,045,896.30 = 418,363.38/x
  3. Step 3: Cross multiply
    757,894.86x = 1,045,896.30 × 418,363.38
  4. Step 4: Simplify right side
    757,894.86x = 437,564,711,197.49
  5. Step 5: Solve for x
    x = 437,564,711,197.49/757,894.86
  6. Step 6: Final answer
    x = 577,342.23

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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.