Home / 763,255.20-1,053,296.88-419,106

Finding the Fourth Proportional to 763,255.20, 1,053,296.88 and 419,106

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Solution

The fourth proportional to 763,255.20, 1,053,296.88 and 419,106 is: 578,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,255.20 : 1,053,296.88 = 419,106 : x
  2. Step 2: Convert to fraction form
    763,255.20/1,053,296.88 = 419,106/x
  3. Step 3: Cross multiply
    763,255.20x = 1,053,296.88 × 419,106
  4. Step 4: Simplify right side
    763,255.20x = 441,443,042,189.28
  5. Step 5: Solve for x
    x = 441,443,042,189.28/763,255.20
  6. Step 6: Final answer
    x = 578,368.86

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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.