Finding the Fourth Proportional to 771,010.71, 1,156,376.73 and 209,913.99
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Solution
The fourth proportional to 771,010.71, 1,156,376.73 and 209,913.99 is: 314,833.05
Step by Step Solution
- Step 1: Write the proportion equation
771,010.71 : 1,156,376.73 = 209,913.99 : x - Step 2: Convert to fraction form
771,010.71/1,156,376.73 = 209,913.99/x - Step 3: Cross multiply
771,010.71x = 1,156,376.73 × 209,913.99 - Step 4: Simplify right side
771,010.71x = 242,739,653,337.45 - Step 5: Solve for x
x = 242,739,653,337.45/771,010.71 - Step 6: Final answer
x = 314,833.05
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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.