Home / 800,951.24-1,105,267.74-438,374.36

Finding the Fourth Proportional to 800,951.24, 1,105,267.74 and 438,374.36

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Solution

The fourth proportional to 800,951.24, 1,105,267.74 and 438,374.36 is: 604,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,951.24 : 1,105,267.74 = 438,374.36 : x
  2. Step 2: Convert to fraction form
    800,951.24/1,105,267.74 = 438,374.36/x
  3. Step 3: Cross multiply
    800,951.24x = 1,105,267.74 × 438,374.36
  4. Step 4: Simplify right side
    800,951.24x = 484,521,038,151.15
  5. Step 5: Solve for x
    x = 484,521,038,151.15/800,951.24
  6. Step 6: Final answer
    x = 604,932.00

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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.