Finding the Fourth Proportional to 998,784.99, 1,378,329.08 and 546,075.99
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Solution
The fourth proportional to 998,784.99, 1,378,329.08 and 546,075.99 is: 753,588.03
Step by Step Solution
- Step 1: Write the proportion equation
998,784.99 : 1,378,329.08 = 546,075.99 : x - Step 2: Convert to fraction form
998,784.99/1,378,329.08 = 546,075.99/x - Step 3: Cross multiply
998,784.99x = 1,378,329.08 × 546,075.99 - Step 4: Simplify right side
998,784.99x = 752,672,414,176.41 - Step 5: Solve for x
x = 752,672,414,176.41/998,784.99 - Step 6: Final answer
x = 753,588.03
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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.