Finding the Fourth Proportional to 750,369.99, 1,125,214.41 and 323,704.07
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Solution
The fourth proportional to 750,369.99, 1,125,214.41 and 323,704.07 is: 485,409.18
Step by Step Solution
- Step 1: Write the proportion equation
750,369.99 : 1,125,214.41 = 323,704.07 : x - Step 2: Convert to fraction form
750,369.99/1,125,214.41 = 323,704.07/x - Step 3: Cross multiply
750,369.99x = 1,125,214.41 × 323,704.07 - Step 4: Simplify right side
750,369.99x = 364,236,478,513.58 - Step 5: Solve for x
x = 364,236,478,513.58/750,369.99 - Step 6: Final answer
x = 485,409.18
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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.