Home / 723,734.10-1,085,603.94-302,714.64

Finding the Fourth Proportional to 723,734.10, 1,085,603.94 and 302,714.64

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Solution

The fourth proportional to 723,734.10, 1,085,603.94 and 302,714.64 is: 454,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,734.10 : 1,085,603.94 = 302,714.64 : x
  2. Step 2: Convert to fraction form
    723,734.10/1,085,603.94 = 302,714.64/x
  3. Step 3: Cross multiply
    723,734.10x = 1,085,603.94 × 302,714.64
  4. Step 4: Simplify right side
    723,734.10x = 328,628,205,879.68
  5. Step 5: Solve for x
    x = 328,628,205,879.68/723,734.10
  6. Step 6: Final answer
    x = 454,073.13

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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.