Finding the Fourth Proportional to 658,706.14, 987,296.80 and 302,973.58
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Solution
The fourth proportional to 658,706.14, 987,296.80 and 302,973.58 is: 454,109.70
Step by Step Solution
- Step 1: Write the proportion equation
658,706.14 : 987,296.80 = 302,973.58 : x - Step 2: Convert to fraction form
658,706.14/987,296.80 = 302,973.58/x - Step 3: Cross multiply
658,706.14x = 987,296.80 × 302,973.58 - Step 4: Simplify right side
658,706.14x = 299,124,847,063.31 - Step 5: Solve for x
x = 299,124,847,063.31/658,706.14 - Step 6: Final answer
x = 454,109.70
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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.