Finding the Fourth Proportional to 573,112.68, 790,859.34 and 318,448.68
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Solution
The fourth proportional to 573,112.68, 790,859.34 and 318,448.68 is: 439,439.09
Step by Step Solution
- Step 1: Write the proportion equation
573,112.68 : 790,859.34 = 318,448.68 : x - Step 2: Convert to fraction form
573,112.68/790,859.34 = 318,448.68/x - Step 3: Cross multiply
573,112.68x = 790,859.34 × 318,448.68 - Step 4: Simplify right side
573,112.68x = 251,848,112,888.67 - Step 5: Solve for x
x = 251,848,112,888.67/573,112.68 - Step 6: Final answer
x = 439,439.09
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1.5x scale
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.