Finding the Fourth Proportional to 566,991.09, 782,449.07 and 312,346.53
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Solution
The fourth proportional to 566,991.09, 782,449.07 and 312,346.53 is: 431,038.96
Step by Step Solution
- Step 1: Write the proportion equation
566,991.09 : 782,449.07 = 312,346.53 : x - Step 2: Convert to fraction form
566,991.09/782,449.07 = 312,346.53/x - Step 3: Cross multiply
566,991.09x = 782,449.07 × 312,346.53 - Step 4: Simplify right side
566,991.09x = 244,395,250,354.49 - Step 5: Solve for x
x = 244,395,250,354.49/566,991.09 - Step 6: Final answer
x = 431,038.96
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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.