Home / 886,382.73-1,329,379.70-255,159.45

Finding the Fourth Proportional to 886,382.73, 1,329,379.70 and 255,159.45

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Solution

The fourth proportional to 886,382.73, 1,329,379.70 and 255,159.45 is: 382,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,382.73 : 1,329,379.70 = 255,159.45 : x
  2. Step 2: Convert to fraction form
    886,382.73/1,329,379.70 = 255,159.45/x
  3. Step 3: Cross multiply
    886,382.73x = 1,329,379.70 × 255,159.45
  4. Step 4: Simplify right side
    886,382.73x = 339,203,791,817.37
  5. Step 5: Solve for x
    x = 339,203,791,817.37/886,382.73
  6. Step 6: Final answer
    x = 382,683.21

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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.