Finding the Fourth Proportional to 542,266.76, 748,344.48 and 300,526.76
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Solution
The fourth proportional to 542,266.76, 748,344.48 and 300,526.76 is: 414,735.99
Step by Step Solution
- Step 1: Write the proportion equation
542,266.76 : 748,344.48 = 300,526.76 : x - Step 2: Convert to fraction form
542,266.76/748,344.48 = 300,526.76/x - Step 3: Cross multiply
542,266.76x = 748,344.48 × 300,526.76 - Step 4: Simplify right side
542,266.76x = 224,897,541,938.29 - Step 5: Solve for x
x = 224,897,541,938.29/542,266.76 - Step 6: Final answer
x = 414,735.99
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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.