Home / 853,021.12-1,177,169.52-471,073.84

Finding the Fourth Proportional to 853,021.12, 1,177,169.52 and 471,073.84

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Solution

The fourth proportional to 853,021.12, 1,177,169.52 and 471,073.84 is: 650,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,021.12 : 1,177,169.52 = 471,073.84 : x
  2. Step 2: Convert to fraction form
    853,021.12/1,177,169.52 = 471,073.84/x
  3. Step 3: Cross multiply
    853,021.12x = 1,177,169.52 × 471,073.84
  4. Step 4: Simplify right side
    853,021.12x = 554,533,766,117.36
  5. Step 5: Solve for x
    x = 554,533,766,117.36/853,021.12
  6. Step 6: Final answer
    x = 650,082.11

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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.