Finding the Fourth Proportional to 770,479.08, 1,155,951.36 and 230,752.86
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Solution
The fourth proportional to 770,479.08, 1,155,951.36 and 230,752.86 is: 346,198.99
Step by Step Solution
- Step 1: Write the proportion equation
770,479.08 : 1,155,951.36 = 230,752.86 : x - Step 2: Convert to fraction form
770,479.08/1,155,951.36 = 230,752.86/x - Step 3: Cross multiply
770,479.08x = 1,155,951.36 × 230,752.86 - Step 4: Simplify right side
770,479.08x = 266,739,082,340.89 - Step 5: Solve for x
x = 266,739,082,340.89/770,479.08 - Step 6: Final answer
x = 346,198.99
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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.