Finding the Fourth Proportional to 972,000.48, 1,341,361.50 and 542,280.70
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Solution
The fourth proportional to 972,000.48, 1,341,361.50 and 542,280.70 is: 748,347.83
Step by Step Solution
- Step 1: Write the proportion equation
972,000.48 : 1,341,361.50 = 542,280.70 : x - Step 2: Convert to fraction form
972,000.48/1,341,361.50 = 542,280.70/x - Step 3: Cross multiply
972,000.48x = 1,341,361.50 × 542,280.70 - Step 4: Simplify right side
972,000.48x = 727,394,446,466.24 - Step 5: Solve for x
x = 727,394,446,466.24/972,000.48 - Step 6: Final answer
x = 748,347.83
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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.