Finding the Fourth Proportional to 653,742.36, 979,706.34 and 297,886.68
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Solution
The fourth proportional to 653,742.36, 979,706.34 and 297,886.68 is: 446,416.64
Step by Step Solution
- Step 1: Write the proportion equation
653,742.36 : 979,706.34 = 297,886.68 : x - Step 2: Convert to fraction form
653,742.36/979,706.34 = 297,886.68/x - Step 3: Cross multiply
653,742.36x = 979,706.34 × 297,886.68 - Step 4: Simplify right side
653,742.36x = 291,841,468,997.55 - Step 5: Solve for x
x = 291,841,468,997.55/653,742.36 - Step 6: Final answer
x = 446,416.64
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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.