Home / 853,051.86-1,279,574.12-347,500.08

Finding the Fourth Proportional to 853,051.86, 1,279,574.12 and 347,500.08

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Solution

The fourth proportional to 853,051.86, 1,279,574.12 and 347,500.08 is: 521,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,051.86 : 1,279,574.12 = 347,500.08 : x
  2. Step 2: Convert to fraction form
    853,051.86/1,279,574.12 = 347,500.08/x
  3. Step 3: Cross multiply
    853,051.86x = 1,279,574.12 × 347,500.08
  4. Step 4: Simplify right side
    853,051.86x = 444,652,109,934.68
  5. Step 5: Solve for x
    x = 444,652,109,934.68/853,051.86
  6. Step 6: Final answer
    x = 521,248.63

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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.