Finding the Fourth Proportional to 940,157.16, 1,297,438.74 and 558,184.92
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Solution
The fourth proportional to 940,157.16, 1,297,438.74 and 558,184.92 is: 770,308.17
Step by Step Solution
- Step 1: Write the proportion equation
940,157.16 : 1,297,438.74 = 558,184.92 : x - Step 2: Convert to fraction form
940,157.16/1,297,438.74 = 558,184.92/x - Step 3: Cross multiply
940,157.16x = 1,297,438.74 × 558,184.92 - Step 4: Simplify right side
940,157.16x = 724,210,739,291.80 - Step 5: Solve for x
x = 724,210,739,291.80/940,157.16 - Step 6: Final answer
x = 770,308.17
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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.