Home / 908,063.47-1,361,621.98-338,976.49

Finding the Fourth Proportional to 908,063.47, 1,361,621.98 and 338,976.49

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Solution

The fourth proportional to 908,063.47, 1,361,621.98 and 338,976.49 is: 508,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,063.47 : 1,361,621.98 = 338,976.49 : x
  2. Step 2: Convert to fraction form
    908,063.47/1,361,621.98 = 338,976.49/x
  3. Step 3: Cross multiply
    908,063.47x = 1,361,621.98 × 338,976.49
  4. Step 4: Simplify right side
    908,063.47x = 461,557,839,487.25
  5. Step 5: Solve for x
    x = 461,557,839,487.25/908,063.47
  6. Step 6: Final answer
    x = 508,288.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.