Finding the Fourth Proportional to 947,061.97, 1,306,974.15 and 517,369.79
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Solution
The fourth proportional to 947,061.97, 1,306,974.15 and 517,369.79 is: 713,985.96
Step by Step Solution
- Step 1: Write the proportion equation
947,061.97 : 1,306,974.15 = 517,369.79 : x - Step 2: Convert to fraction form
947,061.97/1,306,974.15 = 517,369.79/x - Step 3: Cross multiply
947,061.97x = 1,306,974.15 × 517,369.79 - Step 4: Simplify right side
947,061.97x = 676,188,944,788.36 - Step 5: Solve for x
x = 676,188,944,788.36/947,061.97 - Step 6: Final answer
x = 713,985.96
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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.