Home / 807,790.40-1,211,588.40-334,426.40

Finding the Fourth Proportional to 807,790.40, 1,211,588.40 and 334,426.40

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Solution

The fourth proportional to 807,790.40, 1,211,588.40 and 334,426.40 is: 501,599.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,790.40 : 1,211,588.40 = 334,426.40 : x
  2. Step 2: Convert to fraction form
    807,790.40/1,211,588.40 = 334,426.40/x
  3. Step 3: Cross multiply
    807,790.40x = 1,211,588.40 × 334,426.40
  4. Step 4: Simplify right side
    807,790.40x = 405,187,146,893.76
  5. Step 5: Solve for x
    x = 405,187,146,893.76/807,790.40
  6. Step 6: Final answer
    x = 501,599.36

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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.