Finding the Fourth Proportional to 539,523.12, 744,541.98 and 297,805.80
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Solution
The fourth proportional to 539,523.12, 744,541.98 and 297,805.80 is: 410,972.05
Step by Step Solution
- Step 1: Write the proportion equation
539,523.12 : 744,541.98 = 297,805.80 : x - Step 2: Convert to fraction form
539,523.12/744,541.98 = 297,805.80/x - Step 3: Cross multiply
539,523.12x = 744,541.98 × 297,805.80 - Step 4: Simplify right side
539,523.12x = 221,728,919,987.48 - Step 5: Solve for x
x = 221,728,919,987.48/539,523.12 - Step 6: Final answer
x = 410,972.05
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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.