Finding the Fourth Proportional to 904,055.18, 1,355,541.48 and 305,003.07
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Solution
The fourth proportional to 904,055.18, 1,355,541.48 and 305,003.07 is: 457,321.99
Step by Step Solution
- Step 1: Write the proportion equation
904,055.18 : 1,355,541.48 = 305,003.07 : x - Step 2: Convert to fraction form
904,055.18/1,355,541.48 = 305,003.07/x - Step 3: Cross multiply
904,055.18x = 1,355,541.48 × 305,003.07 - Step 4: Simplify right side
904,055.18x = 413,444,312,912.34 - Step 5: Solve for x
x = 413,444,312,912.34/904,055.18 - Step 6: Final answer
x = 457,321.99
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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.