Finding the Fourth Proportional to 687,984.60, 1,031,102.10 and 332,232.60
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Solution
The fourth proportional to 687,984.60, 1,031,102.10 and 332,232.60 is: 497,926.45
Step by Step Solution
- Step 1: Write the proportion equation
687,984.60 : 1,031,102.10 = 332,232.60 : x - Step 2: Convert to fraction form
687,984.60/1,031,102.10 = 332,232.60/x - Step 3: Cross multiply
687,984.60x = 1,031,102.10 × 332,232.60 - Step 4: Simplify right side
687,984.60x = 342,565,731,548.46 - Step 5: Solve for x
x = 342,565,731,548.46/687,984.60 - Step 6: Final answer
x = 497,926.45
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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.