Finding the Fourth Proportional to 736,392.20, 1,104,908.04 and 399,670.74
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Solution
The fourth proportional to 736,392.20, 1,104,908.04 and 399,670.74 is: 599,679.65
Step by Step Solution
- Step 1: Write the proportion equation
736,392.20 : 1,104,908.04 = 399,670.74 : x - Step 2: Convert to fraction form
736,392.20/1,104,908.04 = 399,670.74/x - Step 3: Cross multiply
736,392.20x = 1,104,908.04 × 399,670.74 - Step 4: Simplify right side
736,392.20x = 441,599,413,978.75 - Step 5: Solve for x
x = 441,599,413,978.75/736,392.20 - Step 6: Final answer
x = 599,679.65
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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.