Home / 807,841.40-1,211,664.90-334,477.40

Finding the Fourth Proportional to 807,841.40, 1,211,664.90 and 334,477.40

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Solution

The fourth proportional to 807,841.40, 1,211,664.90 and 334,477.40 is: 501,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,841.40 : 1,211,664.90 = 334,477.40 : x
  2. Step 2: Convert to fraction form
    807,841.40/1,211,664.90 = 334,477.40/x
  3. Step 3: Cross multiply
    807,841.40x = 1,211,664.90 × 334,477.40
  4. Step 4: Simplify right side
    807,841.40x = 405,274,525,423.26
  5. Step 5: Solve for x
    x = 405,274,525,423.26/807,841.40
  6. Step 6: Final answer
    x = 501,675.86

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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.