Home / 881,409.40-1,322,157.30-461,505.40

Finding the Fourth Proportional to 881,409.40, 1,322,157.30 and 461,505.40

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Solution

The fourth proportional to 881,409.40, 1,322,157.30 and 461,505.40 is: 692,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,409.40 : 1,322,157.30 = 461,505.40 : x
  2. Step 2: Convert to fraction form
    881,409.40/1,322,157.30 = 461,505.40/x
  3. Step 3: Cross multiply
    881,409.40x = 1,322,157.30 × 461,505.40
  4. Step 4: Simplify right side
    881,409.40x = 610,182,733,599.42
  5. Step 5: Solve for x
    x = 610,182,733,599.42/881,409.40
  6. Step 6: Final answer
    x = 692,280.72

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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.