Finding the Fourth Proportional to 890,806.08, 1,336,398.06 and 291,722.96
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Solution
The fourth proportional to 890,806.08, 1,336,398.06 and 291,722.96 is: 437,646.31
Step by Step Solution
- Step 1: Write the proportion equation
890,806.08 : 1,336,398.06 = 291,722.96 : x - Step 2: Convert to fraction form
890,806.08/1,336,398.06 = 291,722.96/x - Step 3: Cross multiply
890,806.08x = 1,336,398.06 × 291,722.96 - Step 4: Simplify right side
890,806.08x = 389,857,997,801.46 - Step 5: Solve for x
x = 389,857,997,801.46/890,806.08 - Step 6: Final answer
x = 437,646.31
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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.