Finding the Fourth Proportional to 573,469.12, 791,606.82 and 382,412.80
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Solution
The fourth proportional to 573,469.12, 791,606.82 and 382,412.80 is: 527,875.99
Step by Step Solution
- Step 1: Write the proportion equation
573,469.12 : 791,606.82 = 382,412.80 : x - Step 2: Convert to fraction form
573,469.12/791,606.82 = 382,412.80/x - Step 3: Cross multiply
573,469.12x = 791,606.82 × 382,412.80 - Step 4: Simplify right side
573,469.12x = 302,720,580,535.30 - Step 5: Solve for x
x = 302,720,580,535.30/573,469.12 - Step 6: Final answer
x = 527,875.99
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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.