Home / 903,322.54-1,355,729.28-454,171.06

Finding the Fourth Proportional to 903,322.54, 1,355,729.28 and 454,171.06

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Solution

The fourth proportional to 903,322.54, 1,355,729.28 and 454,171.06 is: 681,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,322.54 : 1,355,729.28 = 454,171.06 : x
  2. Step 2: Convert to fraction form
    903,322.54/1,355,729.28 = 454,171.06/x
  3. Step 3: Cross multiply
    903,322.54x = 1,355,729.28 × 454,171.06
  4. Step 4: Simplify right side
    903,322.54x = 615,733,004,170.64
  5. Step 5: Solve for x
    x = 615,733,004,170.64/903,322.54
  6. Step 6: Final answer
    x = 681,631.40

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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.