Finding the Fourth Proportional to 552,451.70, 828,677.55 and 286,293.80
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Solution
The fourth proportional to 552,451.70, 828,677.55 and 286,293.80 is: 429,440.70
Step by Step Solution
- Step 1: Write the proportion equation
552,451.70 : 828,677.55 = 286,293.80 : x - Step 2: Convert to fraction form
552,451.70/828,677.55 = 286,293.80/x - Step 3: Cross multiply
552,451.70x = 828,677.55 × 286,293.80 - Step 4: Simplify right side
552,451.70x = 237,245,244,764.19 - Step 5: Solve for x
x = 237,245,244,764.19/552,451.70 - Step 6: Final answer
x = 429,440.70
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1.5x scale
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.