Home / 757,821.63-1,045,793.93-418,289.97

Finding the Fourth Proportional to 757,821.63, 1,045,793.93 and 418,289.97

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Solution

The fourth proportional to 757,821.63, 1,045,793.93 and 418,289.97 is: 577,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,821.63 : 1,045,793.93 = 418,289.97 : x
  2. Step 2: Convert to fraction form
    757,821.63/1,045,793.93 = 418,289.97/x
  3. Step 3: Cross multiply
    757,821.63x = 1,045,793.93 × 418,289.97
  4. Step 4: Simplify right side
    757,821.63x = 437,445,111,605.88
  5. Step 5: Solve for x
    x = 437,445,111,605.88/757,821.63
  6. Step 6: Final answer
    x = 577,240.20

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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.