Home / 907,439.72-1,361,055.89-242,643.56

Finding the Fourth Proportional to 907,439.72, 1,361,055.89 and 242,643.56

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Solution

The fourth proportional to 907,439.72, 1,361,055.89 and 242,643.56 is: 363,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,439.72 : 1,361,055.89 = 242,643.56 : x
  2. Step 2: Convert to fraction form
    907,439.72/1,361,055.89 = 242,643.56/x
  3. Step 3: Cross multiply
    907,439.72x = 1,361,055.89 × 242,643.56
  4. Step 4: Simplify right side
    907,439.72x = 330,251,438,490.07
  5. Step 5: Solve for x
    x = 330,251,438,490.07/907,439.72
  6. Step 6: Final answer
    x = 363,937.61

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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.