Finding the Fourth Proportional to 889,560.50, 1,334,478.99 and 298,722.74
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Solution
The fourth proportional to 889,560.50, 1,334,478.99 and 298,722.74 is: 448,130.53
Step by Step Solution
- Step 1: Write the proportion equation
889,560.50 : 1,334,478.99 = 298,722.74 : x - Step 2: Convert to fraction form
889,560.50/1,334,478.99 = 298,722.74/x - Step 3: Cross multiply
889,560.50x = 1,334,478.99 × 298,722.74 - Step 4: Simplify right side
889,560.50x = 398,639,220,365.23 - Step 5: Solve for x
x = 398,639,220,365.23/889,560.50 - Step 6: Final answer
x = 448,130.53
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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.