Finding the Fourth Proportional to 913,724.55, 1,370,364.75 and 381,249.99
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Solution
The fourth proportional to 913,724.55, 1,370,364.75 and 381,249.99 is: 571,782.32
Step by Step Solution
- Step 1: Write the proportion equation
913,724.55 : 1,370,364.75 = 381,249.99 : x - Step 2: Convert to fraction form
913,724.55/1,370,364.75 = 381,249.99/x - Step 3: Cross multiply
913,724.55x = 1,370,364.75 × 381,249.99 - Step 4: Simplify right side
913,724.55x = 522,451,547,233.85 - Step 5: Solve for x
x = 522,451,547,233.85/913,724.55 - Step 6: Final answer
x = 571,782.32
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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.