Home / 769,065.49-1,152,840.07-270,079.57

Finding the Fourth Proportional to 769,065.49, 1,152,840.07 and 270,079.57

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Solution

The fourth proportional to 769,065.49, 1,152,840.07 and 270,079.57 is: 404,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,065.49 : 1,152,840.07 = 270,079.57 : x
  2. Step 2: Convert to fraction form
    769,065.49/1,152,840.07 = 270,079.57/x
  3. Step 3: Cross multiply
    769,065.49x = 1,152,840.07 × 270,079.57
  4. Step 4: Simplify right side
    769,065.49x = 311,358,550,384.37
  5. Step 5: Solve for x
    x = 311,358,550,384.37/769,065.49
  6. Step 6: Final answer
    x = 404,853.10

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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.