Home / 790,875.52-1,186,068.15-285,371.12

Finding the Fourth Proportional to 790,875.52, 1,186,068.15 and 285,371.12

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Solution

The fourth proportional to 790,875.52, 1,186,068.15 and 285,371.12 is: 427,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,875.52 : 1,186,068.15 = 285,371.12 : x
  2. Step 2: Convert to fraction form
    790,875.52/1,186,068.15 = 285,371.12/x
  3. Step 3: Cross multiply
    790,875.52x = 1,186,068.15 × 285,371.12
  4. Step 4: Simplify right side
    790,875.52x = 338,469,599,327.00
  5. Step 5: Solve for x
    x = 338,469,599,327.00/790,875.52
  6. Step 6: Final answer
    x = 427,968.23

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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.