Home / 853,509.37-1,178,007.83-547,971.80

Finding the Fourth Proportional to 853,509.37, 1,178,007.83 and 547,971.80

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Solution

The fourth proportional to 853,509.37, 1,178,007.83 and 547,971.80 is: 756,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,509.37 : 1,178,007.83 = 547,971.80 : x
  2. Step 2: Convert to fraction form
    853,509.37/1,178,007.83 = 547,971.80/x
  3. Step 3: Cross multiply
    853,509.37x = 1,178,007.83 × 547,971.80
  4. Step 4: Simplify right side
    853,509.37x = 645,515,062,389.30
  5. Step 5: Solve for x
    x = 645,515,062,389.30/853,509.37
  6. Step 6: Final answer
    x = 756,306.95

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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.