Finding the Fourth Proportional to 955,742.24, 1,432,809.84 and 639,233.12
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Solution
The fourth proportional to 955,742.24, 1,432,809.84 and 639,233.12 is: 958,312.26
Step by Step Solution
- Step 1: Write the proportion equation
955,742.24 : 1,432,809.84 = 639,233.12 : x - Step 2: Convert to fraction form
955,742.24/1,432,809.84 = 639,233.12/x - Step 3: Cross multiply
955,742.24x = 1,432,809.84 × 639,233.12 - Step 4: Simplify right side
955,742.24x = 915,899,504,389.90 - Step 5: Solve for x
x = 915,899,504,389.90/955,742.24 - Step 6: Final answer
x = 958,312.26
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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.