Finding the Fourth Proportional to 716,985.36, 1,075,478.20 and 295,798.48
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Solution
The fourth proportional to 716,985.36, 1,075,478.20 and 295,798.48 is: 443,697.79
Step by Step Solution
- Step 1: Write the proportion equation
716,985.36 : 1,075,478.20 = 295,798.48 : x - Step 2: Convert to fraction form
716,985.36/1,075,478.20 = 295,798.48/x - Step 3: Cross multiply
716,985.36x = 1,075,478.20 × 295,798.48 - Step 4: Simplify right side
716,985.36x = 318,124,816,833.14 - Step 5: Solve for x
x = 318,124,816,833.14/716,985.36 - Step 6: Final answer
x = 443,697.79
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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.