Home / 813,990.84-1,220,971.67-334,114.44

Finding the Fourth Proportional to 813,990.84, 1,220,971.67 and 334,114.44

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Solution

The fourth proportional to 813,990.84, 1,220,971.67 and 334,114.44 is: 501,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,990.84 : 1,220,971.67 = 334,114.44 : x
  2. Step 2: Convert to fraction form
    813,990.84/1,220,971.67 = 334,114.44/x
  3. Step 3: Cross multiply
    813,990.84x = 1,220,971.67 × 334,114.44
  4. Step 4: Simplify right side
    813,990.84x = 407,944,264,107.34
  5. Step 5: Solve for x
    x = 407,944,264,107.34/813,990.84
  6. Step 6: Final answer
    x = 501,165.67

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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.