Finding the Fourth Proportional to 752,369.84, 1,127,960.96 and 373,029.02
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Solution
The fourth proportional to 752,369.84, 1,127,960.96 and 373,029.02 is: 559,249.12
Step by Step Solution
- Step 1: Write the proportion equation
752,369.84 : 1,127,960.96 = 373,029.02 : x - Step 2: Convert to fraction form
752,369.84/1,127,960.96 = 373,029.02/x - Step 3: Cross multiply
752,369.84x = 1,127,960.96 × 373,029.02 - Step 4: Simplify right side
752,369.84x = 420,762,171,507.06 - Step 5: Solve for x
x = 420,762,171,507.06/752,369.84 - Step 6: Final answer
x = 559,249.12
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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.