Home / 856,326.24-1,282,127.40-645,324.48

Finding the Fourth Proportional to 856,326.24, 1,282,127.40 and 645,324.48

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Solution

The fourth proportional to 856,326.24, 1,282,127.40 and 645,324.48 is: 966,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,326.24 : 1,282,127.40 = 645,324.48 : x
  2. Step 2: Convert to fraction form
    856,326.24/1,282,127.40 = 645,324.48/x
  3. Step 3: Cross multiply
    856,326.24x = 1,282,127.40 × 645,324.48
  4. Step 4: Simplify right side
    856,326.24x = 827,388,197,698.75
  5. Step 5: Solve for x
    x = 827,388,197,698.75/856,326.24
  6. Step 6: Final answer
    x = 966,206.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.