Finding the Fourth Proportional to 989,539.88, 1,365,567.58 and 536,830.84
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Solution
The fourth proportional to 989,539.88, 1,365,567.58 and 536,830.84 is: 740,827.94
Step by Step Solution
- Step 1: Write the proportion equation
989,539.88 : 1,365,567.58 = 536,830.84 : x - Step 2: Convert to fraction form
989,539.88/1,365,567.58 = 536,830.84/x - Step 3: Cross multiply
989,539.88x = 1,365,567.58 × 536,830.84 - Step 4: Simplify right side
989,539.88x = 733,078,791,048.17 - Step 5: Solve for x
x = 733,078,791,048.17/989,539.88 - Step 6: Final answer
x = 740,827.94
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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.