Home / 800,684.64-1,104,958.80-438,140.52

Finding the Fourth Proportional to 800,684.64, 1,104,958.80 and 438,140.52

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Solution

The fourth proportional to 800,684.64, 1,104,958.80 and 438,140.52 is: 604,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,684.64 : 1,104,958.80 = 438,140.52 : x
  2. Step 2: Convert to fraction form
    800,684.64/1,104,958.80 = 438,140.52/x
  3. Step 3: Cross multiply
    800,684.64x = 1,104,958.80 × 438,140.52
  4. Step 4: Simplify right side
    800,684.64x = 484,127,223,210.58
  5. Step 5: Solve for x
    x = 484,127,223,210.58/800,684.64
  6. Step 6: Final answer
    x = 604,641.58

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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.