Home / 811,462.52-1,119,798.06-448,906.52

Finding the Fourth Proportional to 811,462.52, 1,119,798.06 and 448,906.52

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Solution

The fourth proportional to 811,462.52, 1,119,798.06 and 448,906.52 is: 619,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,462.52 : 1,119,798.06 = 448,906.52 : x
  2. Step 2: Convert to fraction form
    811,462.52/1,119,798.06 = 448,906.52/x
  3. Step 3: Cross multiply
    811,462.52x = 1,119,798.06 × 448,906.52
  4. Step 4: Simplify right side
    811,462.52x = 502,684,650,217.35
  5. Step 5: Solve for x
    x = 502,684,650,217.35/811,462.52
  6. Step 6: Final answer
    x = 619,479.81

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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.