Home / 757,821.52-1,045,793.76-418,289.84

Finding the Fourth Proportional to 757,821.52, 1,045,793.76 and 418,289.84

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Solution

The fourth proportional to 757,821.52, 1,045,793.76 and 418,289.84 is: 577,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,821.52 : 1,045,793.76 = 418,289.84 : x
  2. Step 2: Convert to fraction form
    757,821.52/1,045,793.76 = 418,289.84/x
  3. Step 3: Cross multiply
    757,821.52x = 1,045,793.76 × 418,289.84
  4. Step 4: Simplify right side
    757,821.52x = 437,444,904,543.40
  5. Step 5: Solve for x
    x = 437,444,904,543.40/757,821.52
  6. Step 6: Final answer
    x = 577,240.01

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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.