Finding the Fourth Proportional to 605,663.70, 908,276.85 and 306,044.70
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Solution
The fourth proportional to 605,663.70, 908,276.85 and 306,044.70 is: 458,956.54
Step by Step Solution
- Step 1: Write the proportion equation
605,663.70 : 908,276.85 = 306,044.70 : x - Step 2: Convert to fraction form
605,663.70/908,276.85 = 306,044.70/x - Step 3: Cross multiply
605,663.70x = 908,276.85 × 306,044.70 - Step 4: Simplify right side
605,663.70x = 277,973,316,075.20 - Step 5: Solve for x
x = 277,973,316,075.20/605,663.70 - Step 6: Final answer
x = 458,956.54
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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.