Finding the Fourth Proportional to 539,516.10, 744,075.12 and 324,616.02
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Solution
The fourth proportional to 539,516.10, 744,075.12 and 324,616.02 is: 447,695.08
Step by Step Solution
- Step 1: Write the proportion equation
539,516.10 : 744,075.12 = 324,616.02 : x - Step 2: Convert to fraction form
539,516.10/744,075.12 = 324,616.02/x - Step 3: Cross multiply
539,516.10x = 744,075.12 × 324,616.02 - Step 4: Simplify right side
539,516.10x = 241,538,704,035.42 - Step 5: Solve for x
x = 241,538,704,035.42/539,516.10 - Step 6: Final answer
x = 447,695.08
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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.