Finding the Fourth Proportional to 864,377.34, 1,192,792.14 and 482,428.68
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Solution
The fourth proportional to 864,377.34, 1,192,792.14 and 482,428.68 is: 665,724.46
Step by Step Solution
- Step 1: Write the proportion equation
864,377.34 : 1,192,792.14 = 482,428.68 : x - Step 2: Convert to fraction form
864,377.34/1,192,792.14 = 482,428.68/x - Step 3: Cross multiply
864,377.34x = 1,192,792.14 × 482,428.68 - Step 4: Simplify right side
864,377.34x = 575,437,137,614.58 - Step 5: Solve for x
x = 575,437,137,614.58/864,377.34 - Step 6: Final answer
x = 665,724.46
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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.