Home / 852,810.45-1,277,176.29-491,887.17

Finding the Fourth Proportional to 852,810.45, 1,277,176.29 and 491,887.17

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Solution

The fourth proportional to 852,810.45, 1,277,176.29 and 491,887.17 is: 736,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,810.45 : 1,277,176.29 = 491,887.17 : x
  2. Step 2: Convert to fraction form
    852,810.45/1,277,176.29 = 491,887.17/x
  3. Step 3: Cross multiply
    852,810.45x = 1,277,176.29 × 491,887.17
  4. Step 4: Simplify right side
    852,810.45x = 628,226,630,879.20
  5. Step 5: Solve for x
    x = 628,226,630,879.20/852,810.45
  6. Step 6: Final answer
    x = 736,654.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.