Home / 509,581.01-764,463.44-209,898.02

Finding the Fourth Proportional to 509,581.01, 764,463.44 and 209,898.02

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Solution

The fourth proportional to 509,581.01, 764,463.44 and 209,898.02 is: 314,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,581.01 : 764,463.44 = 209,898.02 : x
  2. Step 2: Convert to fraction form
    509,581.01/764,463.44 = 209,898.02/x
  3. Step 3: Cross multiply
    509,581.01x = 764,463.44 × 209,898.02
  4. Step 4: Simplify right side
    509,581.01x = 160,459,359,120.82
  5. Step 5: Solve for x
    x = 160,459,359,120.82/509,581.01
  6. Step 6: Final answer
    x = 314,884.89

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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.