Finding the Fourth Proportional to 723,837.79, 998,849.10 and 401,547.09
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Solution
The fourth proportional to 723,837.79, 998,849.10 and 401,547.09 is: 554,108.88
Step by Step Solution
- Step 1: Write the proportion equation
723,837.79 : 998,849.10 = 401,547.09 : x - Step 2: Convert to fraction form
723,837.79/998,849.10 = 401,547.09/x - Step 3: Cross multiply
723,837.79x = 998,849.10 × 401,547.09 - Step 4: Simplify right side
723,837.79x = 401,084,949,454.12 - Step 5: Solve for x
x = 401,084,949,454.12/723,837.79 - Step 6: Final answer
x = 554,108.88
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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.