Home / 891,949.23-1,230,898.97-484,054.61

Finding the Fourth Proportional to 891,949.23, 1,230,898.97 and 484,054.61

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Solution

The fourth proportional to 891,949.23, 1,230,898.97 and 484,054.61 is: 668,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,949.23 : 1,230,898.97 = 484,054.61 : x
  2. Step 2: Convert to fraction form
    891,949.23/1,230,898.97 = 484,054.61/x
  3. Step 3: Cross multiply
    891,949.23x = 1,230,898.97 × 484,054.61
  4. Step 4: Simplify right side
    891,949.23x = 595,822,312,297.98
  5. Step 5: Solve for x
    x = 595,822,312,297.98/891,949.23
  6. Step 6: Final answer
    x = 668,000.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.