Finding the Fourth Proportional to 552,409.80, 828,614.70 and 342,457.80
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Solution
The fourth proportional to 552,409.80, 828,614.70 and 342,457.80 is: 513,686.70
Step by Step Solution
- Step 1: Write the proportion equation
552,409.80 : 828,614.70 = 342,457.80 : x - Step 2: Convert to fraction form
552,409.80/828,614.70 = 342,457.80/x - Step 3: Cross multiply
552,409.80x = 828,614.70 × 342,457.80 - Step 4: Simplify right side
552,409.80x = 283,765,567,209.66 - Step 5: Solve for x
x = 283,765,567,209.66/552,409.80 - Step 6: Final answer
x = 513,686.70
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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.