Finding the Fourth Proportional to 578,462.08, 798,269.52 and 323,812.96
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Solution
The fourth proportional to 578,462.08, 798,269.52 and 323,812.96 is: 446,857.32
Step by Step Solution
- Step 1: Write the proportion equation
578,462.08 : 798,269.52 = 323,812.96 : x - Step 2: Convert to fraction form
578,462.08/798,269.52 = 323,812.96/x - Step 3: Cross multiply
578,462.08x = 798,269.52 × 323,812.96 - Step 4: Simplify right side
578,462.08x = 258,490,016,148.98 - Step 5: Solve for x
x = 258,490,016,148.98/578,462.08 - Step 6: Final answer
x = 446,857.32
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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.