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Finding the Fourth Proportional to 800,701.92, 1,104,951.60 and 438,124.32

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Solution

The fourth proportional to 800,701.92, 1,104,951.60 and 438,124.32 is: 604,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,701.92 : 1,104,951.60 = 438,124.32 : x
  2. Step 2: Convert to fraction form
    800,701.92/1,104,951.60 = 438,124.32/x
  3. Step 3: Cross multiply
    800,701.92x = 1,104,951.60 × 438,124.32
  4. Step 4: Simplify right side
    800,701.92x = 484,106,168,382.91
  5. Step 5: Solve for x
    x = 484,106,168,382.91/800,701.92
  6. Step 6: Final answer
    x = 604,602.23

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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.