Finding the Fourth Proportional to 470,916.99, 706,374.63 and 387,473.49
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Solution
The fourth proportional to 470,916.99, 706,374.63 and 387,473.49 is: 581,209.53
Step by Step Solution
- Step 1: Write the proportion equation
470,916.99 : 706,374.63 = 387,473.49 : x - Step 2: Convert to fraction form
470,916.99/706,374.63 = 387,473.49/x - Step 3: Cross multiply
470,916.99x = 706,374.63 × 387,473.49 - Step 4: Simplify right side
470,916.99x = 273,701,443,133.56 - Step 5: Solve for x
x = 273,701,443,133.56/470,916.99 - Step 6: Final answer
x = 581,209.53
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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.