Finding the Fourth Proportional to 748,543.40, 1,122,824.70 and 249,907.40
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Solution
The fourth proportional to 748,543.40, 1,122,824.70 and 249,907.40 is: 374,864.31
Step by Step Solution
- Step 1: Write the proportion equation
748,543.40 : 1,122,824.70 = 249,907.40 : x - Step 2: Convert to fraction form
748,543.40/1,122,824.70 = 249,907.40/x - Step 3: Cross multiply
748,543.40x = 1,122,824.70 × 249,907.40 - Step 4: Simplify right side
748,543.40x = 280,602,201,432.78 - Step 5: Solve for x
x = 280,602,201,432.78/748,543.40 - Step 6: Final answer
x = 374,864.31
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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.