Finding the Fourth Proportional to 542,352.56, 748,193.40 and 341,259.44
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Solution
The fourth proportional to 542,352.56, 748,193.40 and 341,259.44 is: 470,778.75
Step by Step Solution
- Step 1: Write the proportion equation
542,352.56 : 748,193.40 = 341,259.44 : x - Step 2: Convert to fraction form
542,352.56/748,193.40 = 341,259.44/x - Step 3: Cross multiply
542,352.56x = 748,193.40 × 341,259.44 - Step 4: Simplify right side
542,352.56x = 255,328,060,695.70 - Step 5: Solve for x
x = 255,328,060,695.70/542,352.56 - Step 6: Final answer
x = 470,778.75
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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.