Home / 380,727.60-571,091.40-262,532.40

Finding the Fourth Proportional to 380,727.60, 571,091.40 and 262,532.40

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Solution

The fourth proportional to 380,727.60, 571,091.40 and 262,532.40 is: 393,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,727.60 : 571,091.40 = 262,532.40 : x
  2. Step 2: Convert to fraction form
    380,727.60/571,091.40 = 262,532.40/x
  3. Step 3: Cross multiply
    380,727.60x = 571,091.40 × 262,532.40
  4. Step 4: Simplify right side
    380,727.60x = 149,929,995,861.36
  5. Step 5: Solve for x
    x = 149,929,995,861.36/380,727.60
  6. Step 6: Final answer
    x = 393,798.60

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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.