Finding the Fourth Proportional to 624,306.24, 936,459.36 and 292,115.52
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Solution
The fourth proportional to 624,306.24, 936,459.36 and 292,115.52 is: 438,173.28
Step by Step Solution
- Step 1: Write the proportion equation
624,306.24 : 936,459.36 = 292,115.52 : x - Step 2: Convert to fraction form
624,306.24/936,459.36 = 292,115.52/x - Step 3: Cross multiply
624,306.24x = 936,459.36 × 292,115.52 - Step 4: Simplify right side
624,306.24x = 273,554,312,905.27 - Step 5: Solve for x
x = 273,554,312,905.27/624,306.24 - Step 6: Final answer
x = 438,173.28
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Similar ratio
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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.