Finding the Fourth Proportional to 554,491.74, 764,686.54 and 350,187.06
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Solution
The fourth proportional to 554,491.74, 764,686.54 and 350,187.06 is: 482,934.75
Step by Step Solution
- Step 1: Write the proportion equation
554,491.74 : 764,686.54 = 350,187.06 : x - Step 2: Convert to fraction form
554,491.74/764,686.54 = 350,187.06/x - Step 3: Cross multiply
554,491.74x = 764,686.54 × 350,187.06 - Step 4: Simplify right side
554,491.74x = 267,783,331,264.17 - Step 5: Solve for x
x = 267,783,331,264.17/554,491.74 - Step 6: Final answer
x = 482,934.75
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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.