Home / 543,844.38-750,488.42-302,120.66

Finding the Fourth Proportional to 543,844.38, 750,488.42 and 302,120.66

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Solution

The fourth proportional to 543,844.38, 750,488.42 and 302,120.66 is: 416,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,844.38 : 750,488.42 = 302,120.66 : x
  2. Step 2: Convert to fraction form
    543,844.38/750,488.42 = 302,120.66/x
  3. Step 3: Cross multiply
    543,844.38x = 750,488.42 × 302,120.66
  4. Step 4: Simplify right side
    543,844.38x = 226,738,056,772.76
  5. Step 5: Solve for x
    x = 226,738,056,772.76/543,844.38
  6. Step 6: Final answer
    x = 416,917.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.