Home / 778,223.91-1,167,371.64-238,441.53

Finding the Fourth Proportional to 778,223.91, 1,167,371.64 and 238,441.53

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Solution

The fourth proportional to 778,223.91, 1,167,371.64 and 238,441.53 is: 357,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,223.91 : 1,167,371.64 = 238,441.53 : x
  2. Step 2: Convert to fraction form
    778,223.91/1,167,371.64 = 238,441.53/x
  3. Step 3: Cross multiply
    778,223.91x = 1,167,371.64 × 238,441.53
  4. Step 4: Simplify right side
    778,223.91x = 278,349,879,920.21
  5. Step 5: Solve for x
    x = 278,349,879,920.21/778,223.91
  6. Step 6: Final answer
    x = 357,673.26

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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.