Finding the Fourth Proportional to 773,878.85, 1,160,816.72 and 205,316.93
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Solution
The fourth proportional to 773,878.85, 1,160,816.72 and 205,316.93 is: 307,974.99
Step by Step Solution
- Step 1: Write the proportion equation
773,878.85 : 1,160,816.72 = 205,316.93 : x - Step 2: Convert to fraction form
773,878.85/1,160,816.72 = 205,316.93/x - Step 3: Cross multiply
773,878.85x = 1,160,816.72 × 205,316.93 - Step 4: Simplify right side
773,878.85x = 238,335,329,596.13 - Step 5: Solve for x
x = 238,335,329,596.13/773,878.85 - Step 6: Final answer
x = 307,974.99
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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.