Home / 407,726.04-562,653.06-226,427.78

Finding the Fourth Proportional to 407,726.04, 562,653.06 and 226,427.78

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Solution

The fourth proportional to 407,726.04, 562,653.06 and 226,427.78 is: 312,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,726.04 : 562,653.06 = 226,427.78 : x
  2. Step 2: Convert to fraction form
    407,726.04/562,653.06 = 226,427.78/x
  3. Step 3: Cross multiply
    407,726.04x = 562,653.06 × 226,427.78
  4. Step 4: Simplify right side
    407,726.04x = 127,400,283,286.01
  5. Step 5: Solve for x
    x = 127,400,283,286.01/407,726.04
  6. Step 6: Final answer
    x = 312,465.41

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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.