Home / 853,865.86-1,178,884.65-548,074.66

Finding the Fourth Proportional to 853,865.86, 1,178,884.65 and 548,074.66

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Solution

The fourth proportional to 853,865.86, 1,178,884.65 and 548,074.66 is: 756,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,865.86 : 1,178,884.65 = 548,074.66 : x
  2. Step 2: Convert to fraction form
    853,865.86/1,178,884.65 = 548,074.66/x
  3. Step 3: Cross multiply
    853,865.86x = 1,178,884.65 × 548,074.66
  4. Step 4: Simplify right side
    853,865.86x = 646,116,803,727.97
  5. Step 5: Solve for x
    x = 646,116,803,727.97/853,865.86
  6. Step 6: Final answer
    x = 756,695.91

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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.