Finding the Fourth Proportional to 571,995.27, 789,342.98 and 317,340.99
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Solution
The fourth proportional to 571,995.27, 789,342.98 and 317,340.99 is: 437,924.74
Step by Step Solution
- Step 1: Write the proportion equation
571,995.27 : 789,342.98 = 317,340.99 : x - Step 2: Convert to fraction form
571,995.27/789,342.98 = 317,340.99/x - Step 3: Cross multiply
571,995.27x = 789,342.98 × 317,340.99 - Step 4: Simplify right side
571,995.27x = 250,490,881,136.05 - Step 5: Solve for x
x = 250,490,881,136.05/571,995.27 - Step 6: Final answer
x = 437,924.74
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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.