Finding the Fourth Proportional to 789,233.49, 1,183,842.81 and 340,271.55
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Solution
The fourth proportional to 789,233.49, 1,183,842.81 and 340,271.55 is: 510,404.12
Step by Step Solution
- Step 1: Write the proportion equation
789,233.49 : 1,183,842.81 = 340,271.55 : x - Step 2: Convert to fraction form
789,233.49/1,183,842.81 = 340,271.55/x - Step 3: Cross multiply
789,233.49x = 1,183,842.81 × 340,271.55 - Step 4: Simplify right side
789,233.49x = 402,828,027,915.06 - Step 5: Solve for x
x = 402,828,027,915.06/789,233.49 - Step 6: Final answer
x = 510,404.12
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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.