Finding the Fourth Proportional to 972,728.99, 1,342,263.99 and 564,751.15
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Solution
The fourth proportional to 972,728.99, 1,342,263.99 and 564,751.15 is: 779,297.35
Step by Step Solution
- Step 1: Write the proportion equation
972,728.99 : 1,342,263.99 = 564,751.15 : x - Step 2: Convert to fraction form
972,728.99/1,342,263.99 = 564,751.15/x - Step 3: Cross multiply
972,728.99x = 1,342,263.99 × 564,751.15 - Step 4: Simplify right side
972,728.99x = 758,045,125,380.60 - Step 5: Solve for x
x = 758,045,125,380.60/972,728.99 - Step 6: Final answer
x = 779,297.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.