Home / 881,322.24-1,216,232.40-478,914.24

Finding the Fourth Proportional to 881,322.24, 1,216,232.40 and 478,914.24

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Solution

The fourth proportional to 881,322.24, 1,216,232.40 and 478,914.24 is: 660,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,322.24 : 1,216,232.40 = 478,914.24 : x
  2. Step 2: Convert to fraction form
    881,322.24/1,216,232.40 = 478,914.24/x
  3. Step 3: Cross multiply
    881,322.24x = 1,216,232.40 × 478,914.24
  4. Step 4: Simplify right side
    881,322.24x = 582,471,015,509.38
  5. Step 5: Solve for x
    x = 582,471,015,509.38/881,322.24
  6. Step 6: Final answer
    x = 660,905.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.