Home / 392,918.64-589,790.16-348,225.90

Finding the Fourth Proportional to 392,918.64, 589,790.16 and 348,225.90

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Solution

The fourth proportional to 392,918.64, 589,790.16 and 348,225.90 is: 522,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,918.64 : 589,790.16 = 348,225.90 : x
  2. Step 2: Convert to fraction form
    392,918.64/589,790.16 = 348,225.90/x
  3. Step 3: Cross multiply
    392,918.64x = 589,790.16 × 348,225.90
  4. Step 4: Simplify right side
    392,918.64x = 205,380,209,277.14
  5. Step 5: Solve for x
    x = 205,380,209,277.14/392,918.64
  6. Step 6: Final answer
    x = 522,704.16

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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.