Home / 804,861.83-1,110,686.15-455,969.72

Finding the Fourth Proportional to 804,861.83, 1,110,686.15 and 455,969.72

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Solution

The fourth proportional to 804,861.83, 1,110,686.15 and 455,969.72 is: 629,225.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,861.83 : 1,110,686.15 = 455,969.72 : x
  2. Step 2: Convert to fraction form
    804,861.83/1,110,686.15 = 455,969.72/x
  3. Step 3: Cross multiply
    804,861.83x = 1,110,686.15 × 455,969.72
  4. Step 4: Simplify right side
    804,861.83x = 506,439,244,990.10
  5. Step 5: Solve for x
    x = 506,439,244,990.10/804,861.83
  6. Step 6: Final answer
    x = 629,225.08

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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.