Home / 790,876.52-1,186,069.65-285,372.13

Finding the Fourth Proportional to 790,876.52, 1,186,069.65 and 285,372.13

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Solution

The fourth proportional to 790,876.52, 1,186,069.65 and 285,372.13 is: 427,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,876.52 : 1,186,069.65 = 285,372.13 : x
  2. Step 2: Convert to fraction form
    790,876.52/1,186,069.65 = 285,372.13/x
  3. Step 3: Cross multiply
    790,876.52x = 1,186,069.65 × 285,372.13
  4. Step 4: Simplify right side
    790,876.52x = 338,471,216,418.51
  5. Step 5: Solve for x
    x = 338,471,216,418.51/790,876.52
  6. Step 6: Final answer
    x = 427,969.74

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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.