Finding the Fourth Proportional to 724,121.08, 999,305.28 and 401,844.76
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Solution
The fourth proportional to 724,121.08, 999,305.28 and 401,844.76 is: 554,555.86
Step by Step Solution
- Step 1: Write the proportion equation
724,121.08 : 999,305.28 = 401,844.76 : x - Step 2: Convert to fraction form
724,121.08/999,305.28 = 401,844.76/x - Step 3: Cross multiply
724,121.08x = 999,305.28 × 401,844.76 - Step 4: Simplify right side
724,121.08x = 401,565,590,408.33 - Step 5: Solve for x
x = 401,565,590,408.33/724,121.08 - Step 6: Final answer
x = 554,555.86
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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.