Finding the Fourth Proportional to 972,108.99, 1,341,575.19 and 542,398.73
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Solution
The fourth proportional to 972,108.99, 1,341,575.19 and 542,398.73 is: 748,546.39
Step by Step Solution
- Step 1: Write the proportion equation
972,108.99 : 1,341,575.19 = 542,398.73 : x - Step 2: Convert to fraction form
972,108.99/1,341,575.19 = 542,398.73/x - Step 3: Cross multiply
972,108.99x = 1,341,575.19 × 542,398.73 - Step 4: Simplify right side
972,108.99x = 727,668,672,547.63 - Step 5: Solve for x
x = 727,668,672,547.63/972,108.99 - Step 6: Final answer
x = 748,546.39
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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.