Finding the Fourth Proportional to 761,250.96, 1,050,638.18 and 438,897.96
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Solution
The fourth proportional to 761,250.96, 1,050,638.18 and 438,897.96 is: 605,743.67
Step by Step Solution
- Step 1: Write the proportion equation
761,250.96 : 1,050,638.18 = 438,897.96 : x - Step 2: Convert to fraction form
761,250.96/1,050,638.18 = 438,897.96/x - Step 3: Cross multiply
761,250.96x = 1,050,638.18 × 438,897.96 - Step 4: Simplify right side
761,250.96x = 461,122,951,705.62 - Step 5: Solve for x
x = 461,122,951,705.62/761,250.96 - Step 6: Final answer
x = 605,743.67
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1.5x scale
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.