Home / 804,381.50-1,110,114.92-455,583.95

Finding the Fourth Proportional to 804,381.50, 1,110,114.92 and 455,583.95

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Solution

The fourth proportional to 804,381.50, 1,110,114.92 and 455,583.95 is: 628,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,381.50 : 1,110,114.92 = 455,583.95 : x
  2. Step 2: Convert to fraction form
    804,381.50/1,110,114.92 = 455,583.95/x
  3. Step 3: Cross multiply
    804,381.50x = 1,110,114.92 × 455,583.95
  4. Step 4: Simplify right side
    804,381.50x = 505,750,534,656.96
  5. Step 5: Solve for x
    x = 505,750,534,656.96/804,381.50
  6. Step 6: Final answer
    x = 628,744.62

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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.