Finding the Fourth Proportional to 955,215.88, 1,432,330.62 and 281,209.84
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Solution
The fourth proportional to 955,215.88, 1,432,330.62 and 281,209.84 is: 421,669.56
Step by Step Solution
- Step 1: Write the proportion equation
955,215.88 : 1,432,330.62 = 281,209.84 : x - Step 2: Convert to fraction form
955,215.88/1,432,330.62 = 281,209.84/x - Step 3: Cross multiply
955,215.88x = 1,432,330.62 × 281,209.84 - Step 4: Simplify right side
955,215.88x = 402,785,464,477.30 - Step 5: Solve for x
x = 402,785,464,477.30/955,215.88 - Step 6: Final answer
x = 421,669.56
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1.5x scale
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.