Finding the Fourth Proportional to 972,729.99, 1,342,265.37 and 564,752.15
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Solution
The fourth proportional to 972,729.99, 1,342,265.37 and 564,752.15 is: 779,298.74
Step by Step Solution
- Step 1: Write the proportion equation
972,729.99 : 1,342,265.37 = 564,752.15 : x - Step 2: Convert to fraction form
972,729.99/1,342,265.37 = 564,752.15/x - Step 3: Cross multiply
972,729.99x = 1,342,265.37 × 564,752.15 - Step 4: Simplify right side
972,729.99x = 758,047,253,578.05 - Step 5: Solve for x
x = 758,047,253,578.05/972,729.99 - Step 6: Final answer
x = 779,298.74
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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.