Finding the Fourth Proportional to 938,481.90, 1,407,625.99 and 636,813.02
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Solution
The fourth proportional to 938,481.90, 1,407,625.99 and 636,813.02 is: 955,153.79
Step by Step Solution
- Step 1: Write the proportion equation
938,481.90 : 1,407,625.99 = 636,813.02 : x - Step 2: Convert to fraction form
938,481.90/1,407,625.99 = 636,813.02/x - Step 3: Cross multiply
938,481.90x = 1,407,625.99 × 636,813.02 - Step 4: Simplify right side
938,481.90x = 896,394,547,500.20 - Step 5: Solve for x
x = 896,394,547,500.20/938,481.90 - Step 6: Final answer
x = 955,153.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.