Finding the Fourth Proportional to 828,937.80, 1,244,062.80 and 323,740.80
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Solution
The fourth proportional to 828,937.80, 1,244,062.80 and 323,740.80 is: 485,867.44
Step by Step Solution
- Step 1: Write the proportion equation
828,937.80 : 1,244,062.80 = 323,740.80 : x - Step 2: Convert to fraction form
828,937.80/1,244,062.80 = 323,740.80/x - Step 3: Cross multiply
828,937.80x = 1,244,062.80 × 323,740.80 - Step 4: Simplify right side
828,937.80x = 402,753,886,122.24 - Step 5: Solve for x
x = 402,753,886,122.24/828,937.80 - Step 6: Final answer
x = 485,867.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.