Finding the Fourth Proportional to 539,577.21, 744,616.69 and 297,859.95
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Solution
The fourth proportional to 539,577.21, 744,616.69 and 297,859.95 is: 411,046.81
Step by Step Solution
- Step 1: Write the proportion equation
539,577.21 : 744,616.69 = 297,859.95 : x - Step 2: Convert to fraction form
539,577.21/744,616.69 = 297,859.95/x - Step 3: Cross multiply
539,577.21x = 744,616.69 × 297,859.95 - Step 4: Simplify right side
539,577.21x = 221,791,490,052.57 - Step 5: Solve for x
x = 221,791,490,052.57/539,577.21 - Step 6: Final answer
x = 411,046.81
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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.