Finding the Fourth Proportional to 864,607.48, 1,193,176.97 and 477,421.91
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Solution
The fourth proportional to 864,607.48, 1,193,176.97 and 477,421.91 is: 658,852.53
Step by Step Solution
- Step 1: Write the proportion equation
864,607.48 : 1,193,176.97 = 477,421.91 : x - Step 2: Convert to fraction form
864,607.48/1,193,176.97 = 477,421.91/x - Step 3: Cross multiply
864,607.48x = 1,193,176.97 × 477,421.91 - Step 4: Simplify right side
864,607.48x = 569,648,825,897.16 - Step 5: Solve for x
x = 569,648,825,897.16/864,607.48 - Step 6: Final answer
x = 658,852.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.