Home / 800,887.95-1,105,225.80-438,311.60

Finding the Fourth Proportional to 800,887.95, 1,105,225.80 and 438,311.60

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Solution

The fourth proportional to 800,887.95, 1,105,225.80 and 438,311.60 is: 604,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,887.95 : 1,105,225.80 = 438,311.60 : x
  2. Step 2: Convert to fraction form
    800,887.95/1,105,225.80 = 438,311.60/x
  3. Step 3: Cross multiply
    800,887.95x = 1,105,225.80 × 438,311.60
  4. Step 4: Simplify right side
    800,887.95x = 484,433,283,233.15
  5. Step 5: Solve for x
    x = 484,433,283,233.15/800,887.95
  6. Step 6: Final answer
    x = 604,870.24

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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.