Finding the Fourth Proportional to 753,681.60, 1,130,176.80 and 332,740.80
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Solution
The fourth proportional to 753,681.60, 1,130,176.80 and 332,740.80 is: 498,958.62
Step by Step Solution
- Step 1: Write the proportion equation
753,681.60 : 1,130,176.80 = 332,740.80 : x - Step 2: Convert to fraction form
753,681.60/1,130,176.80 = 332,740.80/x - Step 3: Cross multiply
753,681.60x = 1,130,176.80 × 332,740.80 - Step 4: Simplify right side
753,681.60x = 376,055,932,573.44 - Step 5: Solve for x
x = 376,055,932,573.44/753,681.60 - Step 6: Final answer
x = 498,958.62
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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.