Finding the Fourth Proportional to 613,678.95, 846,440.69 and 409,626.99
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Solution
The fourth proportional to 613,678.95, 846,440.69 and 409,626.99 is: 564,994.05
Step by Step Solution
- Step 1: Write the proportion equation
613,678.95 : 846,440.69 = 409,626.99 : x - Step 2: Convert to fraction form
613,678.95/846,440.69 = 409,626.99/x - Step 3: Cross multiply
613,678.95x = 846,440.69 × 409,626.99 - Step 4: Simplify right side
613,678.95x = 346,724,953,082.29 - Step 5: Solve for x
x = 346,724,953,082.29/613,678.95 - Step 6: Final answer
x = 564,994.05
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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.