Home / 800,764.04-1,105,054.32-438,187.92

Finding the Fourth Proportional to 800,764.04, 1,105,054.32 and 438,187.92

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Solution

The fourth proportional to 800,764.04, 1,105,054.32 and 438,187.92 is: 604,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,764.04 : 1,105,054.32 = 438,187.92 : x
  2. Step 2: Convert to fraction form
    800,764.04/1,105,054.32 = 438,187.92/x
  3. Step 3: Cross multiply
    800,764.04x = 1,105,054.32 × 438,187.92
  4. Step 4: Simplify right side
    800,764.04x = 484,221,453,967.81
  5. Step 5: Solve for x
    x = 484,221,453,967.81/800,764.04
  6. Step 6: Final answer
    x = 604,699.30

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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.