Finding the Fourth Proportional to 705,901.07, 974,149.71 and 383,611.19
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Solution
The fourth proportional to 705,901.07, 974,149.71 and 383,611.19 is: 529,386.84
Step by Step Solution
- Step 1: Write the proportion equation
705,901.07 : 974,149.71 = 383,611.19 : x - Step 2: Convert to fraction form
705,901.07/974,149.71 = 383,611.19/x - Step 3: Cross multiply
705,901.07x = 974,149.71 × 383,611.19 - Step 4: Simplify right side
705,901.07x = 373,694,731,898.28 - Step 5: Solve for x
x = 373,694,731,898.28/705,901.07 - Step 6: Final answer
x = 529,386.84
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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.