Home / 686,209.24-1,029,389.73-236,879.16

Finding the Fourth Proportional to 686,209.24, 1,029,389.73 and 236,879.16

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Solution

The fourth proportional to 686,209.24, 1,029,389.73 and 236,879.16 is: 355,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,209.24 : 1,029,389.73 = 236,879.16 : x
  2. Step 2: Convert to fraction form
    686,209.24/1,029,389.73 = 236,879.16/x
  3. Step 3: Cross multiply
    686,209.24x = 1,029,389.73 × 236,879.16
  4. Step 4: Simplify right side
    686,209.24x = 243,840,974,555.03
  5. Step 5: Solve for x
    x = 243,840,974,555.03/686,209.24
  6. Step 6: Final answer
    x = 355,344.93

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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.