Home / 771,349.43-1,157,165.09-238,834.37

Finding the Fourth Proportional to 771,349.43, 1,157,165.09 and 238,834.37

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Solution

The fourth proportional to 771,349.43, 1,157,165.09 and 238,834.37 is: 358,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,349.43 : 1,157,165.09 = 238,834.37 : x
  2. Step 2: Convert to fraction form
    771,349.43/1,157,165.09 = 238,834.37/x
  3. Step 3: Cross multiply
    771,349.43x = 1,157,165.09 × 238,834.37
  4. Step 4: Simplify right side
    771,349.43x = 276,370,797,850.51
  5. Step 5: Solve for x
    x = 276,370,797,850.51/771,349.43
  6. Step 6: Final answer
    x = 358,295.20

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1.5x scale

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.