Home / 401,772.26-554,461.66-220,490.70

Finding the Fourth Proportional to 401,772.26, 554,461.66 and 220,490.70

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Solution

The fourth proportional to 401,772.26, 554,461.66 and 220,490.70 is: 304,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,772.26 : 554,461.66 = 220,490.70 : x
  2. Step 2: Convert to fraction form
    401,772.26/554,461.66 = 220,490.70/x
  3. Step 3: Cross multiply
    401,772.26x = 554,461.66 × 220,490.70
  4. Step 4: Simplify right side
    401,772.26x = 122,253,639,536.56
  5. Step 5: Solve for x
    x = 122,253,639,536.56/401,772.26
  6. Step 6: Final answer
    x = 304,285.91

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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.