Finding the Fourth Proportional to 817,906.76, 1,226,669.34 and 312,282.08
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Solution
The fourth proportional to 817,906.76, 1,226,669.34 and 312,282.08 is: 468,350.27
Step by Step Solution
- Step 1: Write the proportion equation
817,906.76 : 1,226,669.34 = 312,282.08 : x - Step 2: Convert to fraction form
817,906.76/1,226,669.34 = 312,282.08/x - Step 3: Cross multiply
817,906.76x = 1,226,669.34 × 312,282.08 - Step 4: Simplify right side
817,906.76x = 383,066,852,967.43 - Step 5: Solve for x
x = 383,066,852,967.43/817,906.76 - Step 6: Final answer
x = 468,350.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.