Finding the Fourth Proportional to 725,537.70, 1,088,306.55 and 282,305.70
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Solution
The fourth proportional to 725,537.70, 1,088,306.55 and 282,305.70 is: 423,458.55
Step by Step Solution
- Step 1: Write the proportion equation
725,537.70 : 1,088,306.55 = 282,305.70 : x - Step 2: Convert to fraction form
725,537.70/1,088,306.55 = 282,305.70/x - Step 3: Cross multiply
725,537.70x = 1,088,306.55 × 282,305.70 - Step 4: Simplify right side
725,537.70x = 307,235,142,412.34 - Step 5: Solve for x
x = 307,235,142,412.34/725,537.70 - Step 6: Final answer
x = 423,458.55
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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.