Finding the Fourth Proportional to 902,349.51, 1,245,225.87 and 535,073.73
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Solution
The fourth proportional to 902,349.51, 1,245,225.87 and 535,073.73 is: 738,391.99
Step by Step Solution
- Step 1: Write the proportion equation
902,349.51 : 1,245,225.87 = 535,073.73 : x - Step 2: Convert to fraction form
902,349.51/1,245,225.87 = 535,073.73/x - Step 3: Cross multiply
902,349.51x = 1,245,225.87 × 535,073.73 - Step 4: Simplify right side
902,349.51x = 666,287,650,953.40 - Step 5: Solve for x
x = 666,287,650,953.40/902,349.51 - Step 6: Final answer
x = 738,391.99
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1.5x scale
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.