Home / 800,798.23-1,105,101.63-438,222.07

Finding the Fourth Proportional to 800,798.23, 1,105,101.63 and 438,222.07

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Solution

The fourth proportional to 800,798.23, 1,105,101.63 and 438,222.07 is: 604,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,798.23 : 1,105,101.63 = 438,222.07 : x
  2. Step 2: Convert to fraction form
    800,798.23/1,105,101.63 = 438,222.07/x
  3. Step 3: Cross multiply
    800,798.23x = 1,105,101.63 × 438,222.07
  4. Step 4: Simplify right side
    800,798.23x = 484,279,923,858.97
  5. Step 5: Solve for x
    x = 484,279,923,858.97/800,798.23
  6. Step 6: Final answer
    x = 604,746.50

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1.5x scale

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.