Finding the Fourth Proportional to 542,961.08, 810,032.92 and 513,567.80
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Solution
The fourth proportional to 542,961.08, 810,032.92 and 513,567.80 is: 766,181.67
Step by Step Solution
- Step 1: Write the proportion equation
542,961.08 : 810,032.92 = 513,567.80 : x - Step 2: Convert to fraction form
542,961.08/810,032.92 = 513,567.80/x - Step 3: Cross multiply
542,961.08x = 810,032.92 × 513,567.80 - Step 4: Simplify right side
542,961.08x = 416,006,824,651.98 - Step 5: Solve for x
x = 416,006,824,651.98/542,961.08 - Step 6: Final answer
x = 766,181.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.