Home / 763,082.41-1,143,097.57-459,309.73

Finding the Fourth Proportional to 763,082.41, 1,143,097.57 and 459,309.73

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Solution

The fourth proportional to 763,082.41, 1,143,097.57 and 459,309.73 is: 688,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,082.41 : 1,143,097.57 = 459,309.73 : x
  2. Step 2: Convert to fraction form
    763,082.41/1,143,097.57 = 459,309.73/x
  3. Step 3: Cross multiply
    763,082.41x = 1,143,097.57 × 459,309.73
  4. Step 4: Simplify right side
    763,082.41x = 525,035,828,228.32
  5. Step 5: Solve for x
    x = 525,035,828,228.32/763,082.41
  6. Step 6: Final answer
    x = 688,046.04

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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.