Finding the Fourth Proportional to 977,837.36, 1,349,411.31 and 548,117.48
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Solution
The fourth proportional to 977,837.36, 1,349,411.31 and 548,117.48 is: 756,399.75
Step by Step Solution
- Step 1: Write the proportion equation
977,837.36 : 1,349,411.31 = 548,117.48 : x - Step 2: Convert to fraction form
977,837.36/1,349,411.31 = 548,117.48/x - Step 3: Cross multiply
977,837.36x = 1,349,411.31 × 548,117.48 - Step 4: Simplify right side
977,837.36x = 739,635,930,094.23 - Step 5: Solve for x
x = 739,635,930,094.23/977,837.36 - Step 6: Final answer
x = 756,399.75
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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.