Finding the Fourth Proportional to 715,602.08, 1,073,403.12 and 266,311.28
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Solution
The fourth proportional to 715,602.08, 1,073,403.12 and 266,311.28 is: 399,466.92
Step by Step Solution
- Step 1: Write the proportion equation
715,602.08 : 1,073,403.12 = 266,311.28 : x - Step 2: Convert to fraction form
715,602.08/1,073,403.12 = 266,311.28/x - Step 3: Cross multiply
715,602.08x = 1,073,403.12 × 266,311.28 - Step 4: Simplify right side
715,602.08x = 285,859,353,476.18 - Step 5: Solve for x
x = 285,859,353,476.18/715,602.08 - Step 6: Final answer
x = 399,466.92
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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.