Home / 790,866.87-1,186,054.88-285,362.21

Finding the Fourth Proportional to 790,866.87, 1,186,054.88 and 285,362.21

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Solution

The fourth proportional to 790,866.87, 1,186,054.88 and 285,362.21 is: 427,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,866.87 : 1,186,054.88 = 285,362.21 : x
  2. Step 2: Convert to fraction form
    790,866.87/1,186,054.88 = 285,362.21/x
  3. Step 3: Cross multiply
    790,866.87x = 1,186,054.88 × 285,362.21
  4. Step 4: Simplify right side
    790,866.87x = 338,455,234,381.00
  5. Step 5: Solve for x
    x = 338,455,234,381.00/790,866.87
  6. Step 6: Final answer
    x = 427,954.75

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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.