Finding the Fourth Proportional to 657,830.07, 987,138.75 and 283,853.07
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Solution
The fourth proportional to 657,830.07, 987,138.75 and 283,853.07 is: 425,949.46
Step by Step Solution
- Step 1: Write the proportion equation
657,830.07 : 987,138.75 = 283,853.07 : x - Step 2: Convert to fraction form
657,830.07/987,138.75 = 283,853.07/x - Step 3: Cross multiply
657,830.07x = 987,138.75 × 283,853.07 - Step 4: Simplify right side
657,830.07x = 280,202,364,703.46 - Step 5: Solve for x
x = 280,202,364,703.46/657,830.07 - Step 6: Final answer
x = 425,949.46
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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.