Finding the Fourth Proportional to 806,342.19, 1,209,225.12 and 266,498.58
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Solution
The fourth proportional to 806,342.19, 1,209,225.12 and 266,498.58 is: 399,652.63
Step by Step Solution
- Step 1: Write the proportion equation
806,342.19 : 1,209,225.12 = 266,498.58 : x - Step 2: Convert to fraction form
806,342.19/1,209,225.12 = 266,498.58/x - Step 3: Cross multiply
806,342.19x = 1,209,225.12 × 266,498.58 - Step 4: Simplify right side
806,342.19x = 322,256,777,380.33 - Step 5: Solve for x
x = 322,256,777,380.33/806,342.19 - Step 6: Final answer
x = 399,652.63
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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.