Finding the Fourth Proportional to 607,373.81, 911,615.57 and 308,060.99
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Solution
The fourth proportional to 607,373.81, 911,615.57 and 308,060.99 is: 462,372.90
Step by Step Solution
- Step 1: Write the proportion equation
607,373.81 : 911,615.57 = 308,060.99 : x - Step 2: Convert to fraction form
607,373.81/911,615.57 = 308,060.99/x - Step 3: Cross multiply
607,373.81x = 911,615.57 × 308,060.99 - Step 4: Simplify right side
607,373.81x = 280,833,188,895.23 - Step 5: Solve for x
x = 280,833,188,895.23/607,373.81 - Step 6: Final answer
x = 462,372.90
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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.