Home / 686,288.11-1,029,569.75-237,025.45

Finding the Fourth Proportional to 686,288.11, 1,029,569.75 and 237,025.45

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Solution

The fourth proportional to 686,288.11, 1,029,569.75 and 237,025.45 is: 355,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,288.11 : 1,029,569.75 = 237,025.45 : x
  2. Step 2: Convert to fraction form
    686,288.11/1,029,569.75 = 237,025.45/x
  3. Step 3: Cross multiply
    686,288.11x = 1,029,569.75 × 237,025.45
  4. Step 4: Simplify right side
    686,288.11x = 244,034,233,300.14
  5. Step 5: Solve for x
    x = 244,034,233,300.14/686,288.11
  6. Step 6: Final answer
    x = 355,585.69

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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.