Finding the Fourth Proportional to 906,922.30, 1,360,383.45 and 641,201.80
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Solution
The fourth proportional to 906,922.30, 1,360,383.45 and 641,201.80 is: 961,802.70
Step by Step Solution
- Step 1: Write the proportion equation
906,922.30 : 1,360,383.45 = 641,201.80 : x - Step 2: Convert to fraction form
906,922.30/1,360,383.45 = 641,201.80/x - Step 3: Cross multiply
906,922.30x = 1,360,383.45 × 641,201.80 - Step 4: Simplify right side
906,922.30x = 872,280,316,830.21 - Step 5: Solve for x
x = 872,280,316,830.21/906,922.30 - Step 6: Final answer
x = 961,802.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.