Finding the Fourth Proportional to 778,252.98, 1,073,580.60 and 633,220.90
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Solution
The fourth proportional to 778,252.98, 1,073,580.60 and 633,220.90 is: 873,512.46
Step by Step Solution
- Step 1: Write the proportion equation
778,252.98 : 1,073,580.60 = 633,220.90 : x - Step 2: Convert to fraction form
778,252.98/1,073,580.60 = 633,220.90/x - Step 3: Cross multiply
778,252.98x = 1,073,580.60 × 633,220.90 - Step 4: Simplify right side
778,252.98x = 679,813,673,754.54 - Step 5: Solve for x
x = 679,813,673,754.54/778,252.98 - Step 6: Final answer
x = 873,512.46
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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.