Home / 907,621.20-1,361,431.80-242,773.20

Finding the Fourth Proportional to 907,621.20, 1,361,431.80 and 242,773.20

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Solution

The fourth proportional to 907,621.20, 1,361,431.80 and 242,773.20 is: 364,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,621.20 : 1,361,431.80 = 242,773.20 : x
  2. Step 2: Convert to fraction form
    907,621.20/1,361,431.80 = 242,773.20/x
  3. Step 3: Cross multiply
    907,621.20x = 1,361,431.80 × 242,773.20
  4. Step 4: Simplify right side
    907,621.20x = 330,519,154,667.76
  5. Step 5: Solve for x
    x = 330,519,154,667.76/907,621.20
  6. Step 6: Final answer
    x = 364,159.80

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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.