Home / 907,438.22-1,361,053.64-242,642.06

Finding the Fourth Proportional to 907,438.22, 1,361,053.64 and 242,642.06

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Solution

The fourth proportional to 907,438.22, 1,361,053.64 and 242,642.06 is: 363,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,438.22 : 1,361,053.64 = 242,642.06 : x
  2. Step 2: Convert to fraction form
    907,438.22/1,361,053.64 = 242,642.06/x
  3. Step 3: Cross multiply
    907,438.22x = 1,361,053.64 × 242,642.06
  4. Step 4: Simplify right side
    907,438.22x = 330,248,850,961.62
  5. Step 5: Solve for x
    x = 330,248,850,961.62/907,438.22
  6. Step 6: Final answer
    x = 363,935.36

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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.