Home / 808,509.98-1,115,846.88-672,309.56

Finding the Fourth Proportional to 808,509.98, 1,115,846.88 and 672,309.56

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Solution

The fourth proportional to 808,509.98, 1,115,846.88 and 672,309.56 is: 927,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,509.98 : 1,115,846.88 = 672,309.56 : x
  2. Step 2: Convert to fraction form
    808,509.98/1,115,846.88 = 672,309.56/x
  3. Step 3: Cross multiply
    808,509.98x = 1,115,846.88 × 672,309.56
  4. Step 4: Simplify right side
    808,509.98x = 750,194,524,920.17
  5. Step 5: Solve for x
    x = 750,194,524,920.17/808,509.98
  6. Step 6: Final answer
    x = 927,872.93

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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.