Finding the Fourth Proportional to 782,663.08, 1,173,718.11 and 372,284.08
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Solution
The fourth proportional to 782,663.08, 1,173,718.11 and 372,284.08 is: 558,294.59
Step by Step Solution
- Step 1: Write the proportion equation
782,663.08 : 1,173,718.11 = 372,284.08 : x - Step 2: Convert to fraction form
782,663.08/1,173,718.11 = 372,284.08/x - Step 3: Cross multiply
782,663.08x = 1,173,718.11 × 372,284.08 - Step 4: Simplify right side
782,663.08x = 436,956,566,760.69 - Step 5: Solve for x
x = 436,956,566,760.69/782,663.08 - Step 6: Final answer
x = 558,294.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.