Home / 762,288.60-1,141,908.39-458,515.03

Finding the Fourth Proportional to 762,288.60, 1,141,908.39 and 458,515.03

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Solution

The fourth proportional to 762,288.60, 1,141,908.39 and 458,515.03 is: 686,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,288.60 : 1,141,908.39 = 458,515.03 : x
  2. Step 2: Convert to fraction form
    762,288.60/1,141,908.39 = 458,515.03/x
  3. Step 3: Cross multiply
    762,288.60x = 1,141,908.39 × 458,515.03
  4. Step 4: Simplify right side
    762,288.60x = 523,582,159,698.10
  5. Step 5: Solve for x
    x = 523,582,159,698.10/762,288.60
  6. Step 6: Final answer
    x = 686,855.56

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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.