Finding the Fourth Proportional to 692,600.07, 1,039,538.74 and 351,283.05
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Solution
The fourth proportional to 692,600.07, 1,039,538.74 and 351,283.05 is: 527,248.49
Step by Step Solution
- Step 1: Write the proportion equation
692,600.07 : 1,039,538.74 = 351,283.05 : x - Step 2: Convert to fraction form
692,600.07/1,039,538.74 = 351,283.05/x - Step 3: Cross multiply
692,600.07x = 1,039,538.74 × 351,283.05 - Step 4: Simplify right side
692,600.07x = 365,172,339,180.36 - Step 5: Solve for x
x = 365,172,339,180.36/692,600.07 - Step 6: Final answer
x = 527,248.49
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1.5x scale
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.