Home / 958,985.64-1,438,478.78-327,905.32

Finding the Fourth Proportional to 958,985.64, 1,438,478.78 and 327,905.32

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Solution

The fourth proportional to 958,985.64, 1,438,478.78 and 327,905.32 is: 491,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,985.64 : 1,438,478.78 = 327,905.32 : x
  2. Step 2: Convert to fraction form
    958,985.64/1,438,478.78 = 327,905.32/x
  3. Step 3: Cross multiply
    958,985.64x = 1,438,478.78 × 327,905.32
  4. Step 4: Simplify right side
    958,985.64x = 471,684,844,669.11
  5. Step 5: Solve for x
    x = 471,684,844,669.11/958,985.64
  6. Step 6: Final answer
    x = 491,858.09

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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.