Home / 853,723-1,178,121.30-471,741.52

Finding the Fourth Proportional to 853,723, 1,178,121.30 and 471,741.52

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Solution

The fourth proportional to 853,723, 1,178,121.30 and 471,741.52 is: 650,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,723 : 1,178,121.30 = 471,741.52 : x
  2. Step 2: Convert to fraction form
    853,723/1,178,121.30 = 471,741.52/x
  3. Step 3: Cross multiply
    853,723x = 1,178,121.30 × 471,741.52
  4. Step 4: Simplify right side
    853,723x = 555,768,732,806.38
  5. Step 5: Solve for x
    x = 555,768,732,806.38/853,723
  6. Step 6: Final answer
    x = 650,994.21

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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.