Home / 769,922.09-1,154,870.39-230,179.61

Finding the Fourth Proportional to 769,922.09, 1,154,870.39 and 230,179.61

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Solution

The fourth proportional to 769,922.09, 1,154,870.39 and 230,179.61 is: 345,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,922.09 : 1,154,870.39 = 230,179.61 : x
  2. Step 2: Convert to fraction form
    769,922.09/1,154,870.39 = 230,179.61/x
  3. Step 3: Cross multiply
    769,922.09x = 1,154,870.39 × 230,179.61
  4. Step 4: Simplify right side
    769,922.09x = 265,827,609,045.50
  5. Step 5: Solve for x
    x = 265,827,609,045.50/769,922.09
  6. Step 6: Final answer
    x = 345,265.60

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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.