Home / 853,476.64-1,279,933.53-284,701

Finding the Fourth Proportional to 853,476.64, 1,279,933.53 and 284,701

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Solution

The fourth proportional to 853,476.64, 1,279,933.53 and 284,701 is: 426,957.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,476.64 : 1,279,933.53 = 284,701 : x
  2. Step 2: Convert to fraction form
    853,476.64/1,279,933.53 = 284,701/x
  3. Step 3: Cross multiply
    853,476.64x = 1,279,933.53 × 284,701
  4. Step 4: Simplify right side
    853,476.64x = 364,398,355,924.53
  5. Step 5: Solve for x
    x = 364,398,355,924.53/853,476.64
  6. Step 6: Final answer
    x = 426,957.62

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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.