Finding the Fourth Proportional to 574,397.60, 861,595.99 and 258,485.45
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Solution
The fourth proportional to 574,397.60, 861,595.99 and 258,485.45 is: 387,727.99
Step by Step Solution
- Step 1: Write the proportion equation
574,397.60 : 861,595.99 = 258,485.45 : x - Step 2: Convert to fraction form
574,397.60/861,595.99 = 258,485.45/x - Step 3: Cross multiply
574,397.60x = 861,595.99 × 258,485.45 - Step 4: Simplify right side
574,397.60x = 222,710,027,193.35 - Step 5: Solve for x
x = 222,710,027,193.35/574,397.60 - Step 6: Final answer
x = 387,727.99
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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.