Finding the Fourth Proportional to 552,651.20, 828,490.80 and 374,580.80
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Solution
The fourth proportional to 552,651.20, 828,490.80 and 374,580.80 is: 561,541.79
Step by Step Solution
- Step 1: Write the proportion equation
552,651.20 : 828,490.80 = 374,580.80 : x - Step 2: Convert to fraction form
552,651.20/828,490.80 = 374,580.80/x - Step 3: Cross multiply
552,651.20x = 828,490.80 × 374,580.80 - Step 4: Simplify right side
552,651.20x = 310,336,746,656.64 - Step 5: Solve for x
x = 310,336,746,656.64/552,651.20 - Step 6: Final answer
x = 561,541.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.