Home / 756,908.07-1,044,540.96-417,388.47

Finding the Fourth Proportional to 756,908.07, 1,044,540.96 and 417,388.47

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Solution

The fourth proportional to 756,908.07, 1,044,540.96 and 417,388.47 is: 576,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,908.07 : 1,044,540.96 = 417,388.47 : x
  2. Step 2: Convert to fraction form
    756,908.07/1,044,540.96 = 417,388.47/x
  3. Step 3: Cross multiply
    756,908.07x = 1,044,540.96 × 417,388.47
  4. Step 4: Simplify right side
    756,908.07x = 435,979,353,146.73
  5. Step 5: Solve for x
    x = 435,979,353,146.73/756,908.07
  6. Step 6: Final answer
    x = 576,000.40

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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.