Finding the Fourth Proportional to 539,043.24, 743,866.64 and 297,320.62
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Solution
The fourth proportional to 539,043.24, 743,866.64 and 297,320.62 is: 410,295.27
Step by Step Solution
- Step 1: Write the proportion equation
539,043.24 : 743,866.64 = 297,320.62 : x - Step 2: Convert to fraction form
539,043.24/743,866.64 = 297,320.62/x - Step 3: Cross multiply
539,043.24x = 743,866.64 × 297,320.62 - Step 4: Simplify right side
539,043.24x = 221,166,890,602.12 - Step 5: Solve for x
x = 221,166,890,602.12/539,043.24 - Step 6: Final answer
x = 410,295.27
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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.