Home / 881,474.40-1,322,211.60-432,264.60

Finding the Fourth Proportional to 881,474.40, 1,322,211.60 and 432,264.60

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Solution

The fourth proportional to 881,474.40, 1,322,211.60 and 432,264.60 is: 648,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,474.40 : 1,322,211.60 = 432,264.60 : x
  2. Step 2: Convert to fraction form
    881,474.40/1,322,211.60 = 432,264.60/x
  3. Step 3: Cross multiply
    881,474.40x = 1,322,211.60 × 432,264.60
  4. Step 4: Simplify right side
    881,474.40x = 571,545,268,389.36
  5. Step 5: Solve for x
    x = 571,545,268,389.36/881,474.40
  6. Step 6: Final answer
    x = 648,396.90

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1.5x scale

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.