Finding the Fourth Proportional to 615,306.24, 922,955.22 and 331,130.50
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Solution
The fourth proportional to 615,306.24, 922,955.22 and 331,130.50 is: 496,693.52
Step by Step Solution
- Step 1: Write the proportion equation
615,306.24 : 922,955.22 = 331,130.50 : x - Step 2: Convert to fraction form
615,306.24/922,955.22 = 331,130.50/x - Step 3: Cross multiply
615,306.24x = 922,955.22 × 331,130.50 - Step 4: Simplify right side
615,306.24x = 305,618,623,476.21 - Step 5: Solve for x
x = 305,618,623,476.21/615,306.24 - Step 6: Final answer
x = 496,693.52
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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.