Home / 338,006.68-509,382.62-304,306.36

Finding the Fourth Proportional to 338,006.68, 509,382.62 and 304,306.36

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Solution

The fourth proportional to 338,006.68, 509,382.62 and 304,306.36 is: 458,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,006.68 : 509,382.62 = 304,306.36 : x
  2. Step 2: Convert to fraction form
    338,006.68/509,382.62 = 304,306.36/x
  3. Step 3: Cross multiply
    338,006.68x = 509,382.62 × 304,306.36
  4. Step 4: Simplify right side
    338,006.68x = 155,008,370,939.46
  5. Step 5: Solve for x
    x = 155,008,370,939.46/338,006.68
  6. Step 6: Final answer
    x = 458,595.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.