Home / 401,895.69-554,585.58-220,578.81

Finding the Fourth Proportional to 401,895.69, 554,585.58 and 220,578.81

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Solution

The fourth proportional to 401,895.69, 554,585.58 and 220,578.81 is: 304,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,895.69 : 554,585.58 = 220,578.81 : x
  2. Step 2: Convert to fraction form
    401,895.69/554,585.58 = 220,578.81/x
  3. Step 3: Cross multiply
    401,895.69x = 554,585.58 × 220,578.81
  4. Step 4: Simplify right side
    401,895.69x = 122,329,827,279.56
  5. Step 5: Solve for x
    x = 122,329,827,279.56/401,895.69
  6. Step 6: Final answer
    x = 304,382.03

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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.