Finding the Fourth Proportional to 972,043.74, 1,341,484.84 and 542,333.17
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Solution
The fourth proportional to 972,043.74, 1,341,484.84 and 542,333.17 is: 748,455.75
Step by Step Solution
- Step 1: Write the proportion equation
972,043.74 : 1,341,484.84 = 542,333.17 : x - Step 2: Convert to fraction form
972,043.74/1,341,484.84 = 542,333.17/x - Step 3: Cross multiply
972,043.74x = 1,341,484.84 × 542,333.17 - Step 4: Simplify right side
972,043.74x = 727,531,728,138.92 - Step 5: Solve for x
x = 727,531,728,138.92/972,043.74 - Step 6: Final answer
x = 748,455.75
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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.