Home / 853,477.14-1,279,934.28-284,701.50

Finding the Fourth Proportional to 853,477.14, 1,279,934.28 and 284,701.50

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Solution

The fourth proportional to 853,477.14, 1,279,934.28 and 284,701.50 is: 426,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,477.14 : 1,279,934.28 = 284,701.50 : x
  2. Step 2: Convert to fraction form
    853,477.14/1,279,934.28 = 284,701.50/x
  3. Step 3: Cross multiply
    853,477.14x = 1,279,934.28 × 284,701.50
  4. Step 4: Simplify right side
    853,477.14x = 364,399,209,417.42
  5. Step 5: Solve for x
    x = 364,399,209,417.42/853,477.14
  6. Step 6: Final answer
    x = 426,958.37

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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.