Finding the Fourth Proportional to 653,739.36, 979,701.84 and 297,883.68
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Solution
The fourth proportional to 653,739.36, 979,701.84 and 297,883.68 is: 446,412.14
Step by Step Solution
- Step 1: Write the proportion equation
653,739.36 : 979,701.84 = 297,883.68 : x - Step 2: Convert to fraction form
653,739.36/979,701.84 = 297,883.68/x - Step 3: Cross multiply
653,739.36x = 979,701.84 × 297,883.68 - Step 4: Simplify right side
653,739.36x = 291,837,189,401.97 - Step 5: Solve for x
x = 291,837,189,401.97/653,739.36 - Step 6: Final answer
x = 446,412.14
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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.