Finding the Fourth Proportional to 723,703.08, 998,829.84 and 401,516.92
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Solution
The fourth proportional to 723,703.08, 998,829.84 and 401,516.92 is: 554,159.70
Step by Step Solution
- Step 1: Write the proportion equation
723,703.08 : 998,829.84 = 401,516.92 : x - Step 2: Convert to fraction form
723,703.08/998,829.84 = 401,516.92/x - Step 3: Cross multiply
723,703.08x = 998,829.84 × 401,516.92 - Step 4: Simplify right side
723,703.08x = 401,047,080,960.89 - Step 5: Solve for x
x = 401,047,080,960.89/723,703.08 - Step 6: Final answer
x = 554,159.70
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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.