Home / 811,491.52-1,119,838.08-448,935.52

Finding the Fourth Proportional to 811,491.52, 1,119,838.08 and 448,935.52

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Solution

The fourth proportional to 811,491.52, 1,119,838.08 and 448,935.52 is: 619,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,491.52 : 1,119,838.08 = 448,935.52 : x
  2. Step 2: Convert to fraction form
    811,491.52/1,119,838.08 = 448,935.52/x
  3. Step 3: Cross multiply
    811,491.52x = 1,119,838.08 × 448,935.52
  4. Step 4: Simplify right side
    811,491.52x = 502,735,090,760.60
  5. Step 5: Solve for x
    x = 502,735,090,760.60/811,491.52
  6. Step 6: Final answer
    x = 619,519.83

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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.