Home / 763,787.88-1,053,888.30-441,379.80

Finding the Fourth Proportional to 763,787.88, 1,053,888.30 and 441,379.80

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Solution

The fourth proportional to 763,787.88, 1,053,888.30 and 441,379.80 is: 609,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,787.88 : 1,053,888.30 = 441,379.80 : x
  2. Step 2: Convert to fraction form
    763,787.88/1,053,888.30 = 441,379.80/x
  3. Step 3: Cross multiply
    763,787.88x = 1,053,888.30 × 441,379.80
  4. Step 4: Simplify right side
    763,787.88x = 465,165,007,076.34
  5. Step 5: Solve for x
    x = 465,165,007,076.34/763,787.88
  6. Step 6: Final answer
    x = 609,023.81

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1.5x scale

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.