Finding the Fourth Proportional to 782,490.42, 1,173,031.47 and 283,504.50
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Solution
The fourth proportional to 782,490.42, 1,173,031.47 and 283,504.50 is: 425,001.63
Step by Step Solution
- Step 1: Write the proportion equation
782,490.42 : 1,173,031.47 = 283,504.50 : x - Step 2: Convert to fraction form
782,490.42/1,173,031.47 = 283,504.50/x - Step 3: Cross multiply
782,490.42x = 1,173,031.47 × 283,504.50 - Step 4: Simplify right side
782,490.42x = 332,559,700,386.62 - Step 5: Solve for x
x = 332,559,700,386.62/782,490.42 - Step 6: Final answer
x = 425,001.63
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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.