Finding the Fourth Proportional to 478,246.08, 716,997.26 and 309,409.68
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Solution
The fourth proportional to 478,246.08, 716,997.26 and 309,409.68 is: 463,873.94
Step by Step Solution
- Step 1: Write the proportion equation
478,246.08 : 716,997.26 = 309,409.68 : x - Step 2: Convert to fraction form
478,246.08/716,997.26 = 309,409.68/x - Step 3: Cross multiply
478,246.08x = 716,997.26 × 309,409.68 - Step 4: Simplify right side
478,246.08x = 221,845,892,777.48 - Step 5: Solve for x
x = 221,845,892,777.48/478,246.08 - Step 6: Final answer
x = 463,873.94
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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.