Finding the Fourth Proportional to 880,304.23, 1,319,664.15 and 318,945.07
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Solution
The fourth proportional to 880,304.23, 1,319,664.15 and 318,945.07 is: 478,130.58
Step by Step Solution
- Step 1: Write the proportion equation
880,304.23 : 1,319,664.15 = 318,945.07 : x - Step 2: Convert to fraction form
880,304.23/1,319,664.15 = 318,945.07/x - Step 3: Cross multiply
880,304.23x = 1,319,664.15 × 318,945.07 - Step 4: Simplify right side
880,304.23x = 420,900,374,698.24 - Step 5: Solve for x
x = 420,900,374,698.24/880,304.23 - Step 6: Final answer
x = 478,130.58
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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.