Finding the Fourth Proportional to 605,760.96, 907,476.84 and 338,711.52
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Solution
The fourth proportional to 605,760.96, 907,476.84 and 338,711.52 is: 507,416.09
Step by Step Solution
- Step 1: Write the proportion equation
605,760.96 : 907,476.84 = 338,711.52 : x - Step 2: Convert to fraction form
605,760.96/907,476.84 = 338,711.52/x - Step 3: Cross multiply
605,760.96x = 907,476.84 × 338,711.52 - Step 4: Simplify right side
605,760.96x = 307,372,859,841.20 - Step 5: Solve for x
x = 307,372,859,841.20/605,760.96 - Step 6: Final answer
x = 507,416.09
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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.