Finding the Fourth Proportional to 540,362.90, 810,543.26 and 507,479.99
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Solution
The fourth proportional to 540,362.90, 810,543.26 and 507,479.99 is: 761,218.96
Step by Step Solution
- Step 1: Write the proportion equation
540,362.90 : 810,543.26 = 507,479.99 : x - Step 2: Convert to fraction form
540,362.90/810,543.26 = 507,479.99/x - Step 3: Cross multiply
540,362.90x = 810,543.26 × 507,479.99 - Step 4: Simplify right side
540,362.90x = 411,334,479,840.78 - Step 5: Solve for x
x = 411,334,479,840.78/540,362.90 - Step 6: Final answer
x = 761,218.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.