Home / 881,381.40-1,322,115.30-461,477.40

Finding the Fourth Proportional to 881,381.40, 1,322,115.30 and 461,477.40

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Solution

The fourth proportional to 881,381.40, 1,322,115.30 and 461,477.40 is: 692,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,381.40 : 1,322,115.30 = 461,477.40 : x
  2. Step 2: Convert to fraction form
    881,381.40/1,322,115.30 = 461,477.40/x
  3. Step 3: Cross multiply
    881,381.40x = 1,322,115.30 × 461,477.40
  4. Step 4: Simplify right side
    881,381.40x = 610,126,331,144.22
  5. Step 5: Solve for x
    x = 610,126,331,144.22/881,381.40
  6. Step 6: Final answer
    x = 692,238.72

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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.