Finding the Fourth Proportional to 702,693.99, 969,718.02 and 380,404.08
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Solution
The fourth proportional to 702,693.99, 969,718.02 and 380,404.08 is: 524,957.80
Step by Step Solution
- Step 1: Write the proportion equation
702,693.99 : 969,718.02 = 380,404.08 : x - Step 2: Convert to fraction form
702,693.99/969,718.02 = 380,404.08/x - Step 3: Cross multiply
702,693.99x = 969,718.02 × 380,404.08 - Step 4: Simplify right side
702,693.99x = 368,884,691,257.52 - Step 5: Solve for x
x = 368,884,691,257.52/702,693.99 - Step 6: Final answer
x = 524,957.80
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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.