Finding the Fourth Proportional to 821,767.86, 1,230,436.71 and 536,752.62
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Solution
The fourth proportional to 821,767.86, 1,230,436.71 and 536,752.62 is: 803,682.11
Step by Step Solution
- Step 1: Write the proportion equation
821,767.86 : 1,230,436.71 = 536,752.62 : x - Step 2: Convert to fraction form
821,767.86/1,230,436.71 = 536,752.62/x - Step 3: Cross multiply
821,767.86x = 1,230,436.71 × 536,752.62 - Step 4: Simplify right side
821,767.86x = 660,440,127,836.68 - Step 5: Solve for x
x = 660,440,127,836.68/821,767.86 - Step 6: Final answer
x = 803,682.11
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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.