Home / 401,759.38-554,434.75-220,488.18

Finding the Fourth Proportional to 401,759.38, 554,434.75 and 220,488.18

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Solution

The fourth proportional to 401,759.38, 554,434.75 and 220,488.18 is: 304,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,759.38 : 554,434.75 = 220,488.18 : x
  2. Step 2: Convert to fraction form
    401,759.38/554,434.75 = 220,488.18/x
  3. Step 3: Cross multiply
    401,759.38x = 554,434.75 × 220,488.18
  4. Step 4: Simplify right side
    401,759.38x = 122,246,307,152.74
  5. Step 5: Solve for x
    x = 122,246,307,152.74/401,759.38
  6. Step 6: Final answer
    x = 304,277.42

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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.