Finding the Fourth Proportional to 656,875.70, 985,702.35 and 432,883.70
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Solution
The fourth proportional to 656,875.70, 985,702.35 and 432,883.70 is: 649,581.77
Step by Step Solution
- Step 1: Write the proportion equation
656,875.70 : 985,702.35 = 432,883.70 : x - Step 2: Convert to fraction form
656,875.70/985,702.35 = 432,883.70/x - Step 3: Cross multiply
656,875.70x = 985,702.35 × 432,883.70 - Step 4: Simplify right side
656,875.70x = 426,694,480,366.70 - Step 5: Solve for x
x = 426,694,480,366.70/656,875.70 - Step 6: Final answer
x = 649,581.77
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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.