Finding the Fourth Proportional to 961,385.16, 1,442,075.91 and 362,480.68
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Solution
The fourth proportional to 961,385.16, 1,442,075.91 and 362,480.68 is: 543,720.33
Step by Step Solution
- Step 1: Write the proportion equation
961,385.16 : 1,442,075.91 = 362,480.68 : x - Step 2: Convert to fraction form
961,385.16/1,442,075.91 = 362,480.68/x - Step 3: Cross multiply
961,385.16x = 1,442,075.91 × 362,480.68 - Step 4: Simplify right side
961,385.16x = 522,724,656,468.42 - Step 5: Solve for x
x = 522,724,656,468.42/961,385.16 - Step 6: Final answer
x = 543,720.33
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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.