Finding the Fourth Proportional to 723,581.06, 998,603.19 and 401,394.96
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Solution
The fourth proportional to 723,581.06, 998,603.19 and 401,394.96 is: 553,959.07
Step by Step Solution
- Step 1: Write the proportion equation
723,581.06 : 998,603.19 = 401,394.96 : x - Step 2: Convert to fraction form
723,581.06/998,603.19 = 401,394.96/x - Step 3: Cross multiply
723,581.06x = 998,603.19 × 401,394.96 - Step 4: Simplify right side
723,581.06x = 400,834,287,505.92 - Step 5: Solve for x
x = 400,834,287,505.92/723,581.06 - Step 6: Final answer
x = 553,959.07
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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.