Home / 788,326.62-1,087,890.44-425,750.56

Finding the Fourth Proportional to 788,326.62, 1,087,890.44 and 425,750.56

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Solution

The fourth proportional to 788,326.62, 1,087,890.44 and 425,750.56 is: 587,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,326.62 : 1,087,890.44 = 425,750.56 : x
  2. Step 2: Convert to fraction form
    788,326.62/1,087,890.44 = 425,750.56/x
  3. Step 3: Cross multiply
    788,326.62x = 1,087,890.44 × 425,750.56
  4. Step 4: Simplify right side
    788,326.62x = 463,169,964,048.65
  5. Step 5: Solve for x
    x = 463,169,964,048.65/788,326.62
  6. Step 6: Final answer
    x = 587,535.61

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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.