Finding the Fourth Proportional to 539,604.40, 744,660.12 and 297,887.11
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Solution
The fourth proportional to 539,604.40, 744,660.12 and 297,887.11 is: 411,087.55
Step by Step Solution
- Step 1: Write the proportion equation
539,604.40 : 744,660.12 = 297,887.11 : x - Step 2: Convert to fraction form
539,604.40/744,660.12 = 297,887.11/x - Step 3: Cross multiply
539,604.40x = 744,660.12 × 297,887.11 - Step 4: Simplify right side
539,604.40x = 221,824,651,079.05 - Step 5: Solve for x
x = 221,824,651,079.05/539,604.40 - Step 6: Final answer
x = 411,087.55
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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.