Home / 669,389.17-1,004,118.81-509,715.54

Finding the Fourth Proportional to 669,389.17, 1,004,118.81 and 509,715.54

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Solution

The fourth proportional to 669,389.17, 1,004,118.81 and 509,715.54 is: 764,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,389.17 : 1,004,118.81 = 509,715.54 : x
  2. Step 2: Convert to fraction form
    669,389.17/1,004,118.81 = 509,715.54/x
  3. Step 3: Cross multiply
    669,389.17x = 1,004,118.81 × 509,715.54
  4. Step 4: Simplify right side
    669,389.17x = 511,814,961,463.31
  5. Step 5: Solve for x
    x = 511,814,961,463.31/669,389.17
  6. Step 6: Final answer
    x = 764,600.00

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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.