Finding the Fourth Proportional to 776,715.62, 1,071,650.99 and 500,956.79
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Solution
The fourth proportional to 776,715.62, 1,071,650.99 and 500,956.79 is: 691,180.69
Step by Step Solution
- Step 1: Write the proportion equation
776,715.62 : 1,071,650.99 = 500,956.79 : x - Step 2: Convert to fraction form
776,715.62/1,071,650.99 = 500,956.79/x - Step 3: Cross multiply
776,715.62x = 1,071,650.99 × 500,956.79 - Step 4: Simplify right side
776,715.62x = 536,850,835,844.86 - Step 5: Solve for x
x = 536,850,835,844.86/776,715.62 - Step 6: Final answer
x = 691,180.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.