Finding the Fourth Proportional to 614,313.80, 921,470.70 and 348,593.30
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Solution
The fourth proportional to 614,313.80, 921,470.70 and 348,593.30 is: 522,889.95
Step by Step Solution
- Step 1: Write the proportion equation
614,313.80 : 921,470.70 = 348,593.30 : x - Step 2: Convert to fraction form
614,313.80/921,470.70 = 348,593.30/x - Step 3: Cross multiply
614,313.80x = 921,470.70 × 348,593.30 - Step 4: Simplify right side
614,313.80x = 321,218,512,166.31 - Step 5: Solve for x
x = 321,218,512,166.31/614,313.80 - Step 6: Final answer
x = 522,889.95
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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.