Finding the Fourth Proportional to 539,328.50, 744,239.85 and 297,612.98
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Solution
The fourth proportional to 539,328.50, 744,239.85 and 297,612.98 is: 410,687.43
Step by Step Solution
- Step 1: Write the proportion equation
539,328.50 : 744,239.85 = 297,612.98 : x - Step 2: Convert to fraction form
539,328.50/744,239.85 = 297,612.98/x - Step 3: Cross multiply
539,328.50x = 744,239.85 × 297,612.98 - Step 4: Simplify right side
539,328.50x = 221,495,435,872.05 - Step 5: Solve for x
x = 221,495,435,872.05/539,328.50 - Step 6: Final answer
x = 410,687.43
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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.