Home / 456,618.10-684,931.78-203,911.46

Finding the Fourth Proportional to 456,618.10, 684,931.78 and 203,911.46

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Solution

The fourth proportional to 456,618.10, 684,931.78 and 203,911.46 is: 305,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,618.10 : 684,931.78 = 203,911.46 : x
  2. Step 2: Convert to fraction form
    456,618.10/684,931.78 = 203,911.46/x
  3. Step 3: Cross multiply
    456,618.10x = 684,931.78 × 203,911.46
  4. Step 4: Simplify right side
    456,618.10x = 139,665,439,260.20
  5. Step 5: Solve for x
    x = 139,665,439,260.20/456,618.10
  6. Step 6: Final answer
    x = 305,869.26

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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.