Finding the Fourth Proportional to 647,572.24, 893,660.70 and 357,217.12
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Solution
The fourth proportional to 647,572.24, 893,660.70 and 357,217.12 is: 492,965.70
Step by Step Solution
- Step 1: Write the proportion equation
647,572.24 : 893,660.70 = 357,217.12 : x - Step 2: Convert to fraction form
647,572.24/893,660.70 = 357,217.12/x - Step 3: Cross multiply
647,572.24x = 893,660.70 × 357,217.12 - Step 4: Simplify right side
647,572.24x = 319,230,901,511.18 - Step 5: Solve for x
x = 319,230,901,511.18/647,572.24 - Step 6: Final answer
x = 492,965.70
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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.