Finding the Fourth Proportional to 916,306.35, 1,265,245.68 and 572,542.75
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Solution
The fourth proportional to 916,306.35, 1,265,245.68 and 572,542.75 is: 790,573.20
Step by Step Solution
- Step 1: Write the proportion equation
916,306.35 : 1,265,245.68 = 572,542.75 : x - Step 2: Convert to fraction form
916,306.35/1,265,245.68 = 572,542.75/x - Step 3: Cross multiply
916,306.35x = 1,265,245.68 × 572,542.75 - Step 4: Simplify right side
916,306.35x = 724,407,241,052.82 - Step 5: Solve for x
x = 724,407,241,052.82/916,306.35 - Step 6: Final answer
x = 790,573.20
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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.