Finding the Fourth Proportional to 710,302.82, 980,247.70 and 408,497.06
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Solution
The fourth proportional to 710,302.82, 980,247.70 and 408,497.06 is: 563,743.09
Step by Step Solution
- Step 1: Write the proportion equation
710,302.82 : 980,247.70 = 408,497.06 : x - Step 2: Convert to fraction form
710,302.82/980,247.70 = 408,497.06/x - Step 3: Cross multiply
710,302.82x = 980,247.70 × 408,497.06 - Step 4: Simplify right side
710,302.82x = 400,428,303,521.76 - Step 5: Solve for x
x = 400,428,303,521.76/710,302.82 - Step 6: Final answer
x = 563,743.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.