Finding the Fourth Proportional to 874,214.24, 1,206,397.34 and 487,029.13
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Solution
The fourth proportional to 874,214.24, 1,206,397.34 and 487,029.13 is: 672,090.00
Step by Step Solution
- Step 1: Write the proportion equation
874,214.24 : 1,206,397.34 = 487,029.13 : x - Step 2: Convert to fraction form
874,214.24/1,206,397.34 = 487,029.13/x - Step 3: Cross multiply
874,214.24x = 1,206,397.34 × 487,029.13 - Step 4: Simplify right side
874,214.24x = 587,550,649,442.24 - Step 5: Solve for x
x = 587,550,649,442.24/874,214.24 - Step 6: Final answer
x = 672,090.00
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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.