Home / 853,069.64-1,279,473.24-284,460.62

Finding the Fourth Proportional to 853,069.64, 1,279,473.24 and 284,460.62

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Solution

The fourth proportional to 853,069.64, 1,279,473.24 and 284,460.62 is: 426,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,069.64 : 1,279,473.24 = 284,460.62 : x
  2. Step 2: Convert to fraction form
    853,069.64/1,279,473.24 = 284,460.62/x
  3. Step 3: Cross multiply
    853,069.64x = 1,279,473.24 × 284,460.62
  4. Step 4: Simplify right side
    853,069.64x = 363,959,751,123.81
  5. Step 5: Solve for x
    x = 363,959,751,123.81/853,069.64
  6. Step 6: Final answer
    x = 426,647.17

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1.5x scale

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.