Finding the Fourth Proportional to 890,157.18, 1,228,417.19 and 482,261.84
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Solution
The fourth proportional to 890,157.18, 1,228,417.19 and 482,261.84 is: 665,521.48
Step by Step Solution
- Step 1: Write the proportion equation
890,157.18 : 1,228,417.19 = 482,261.84 : x - Step 2: Convert to fraction form
890,157.18/1,228,417.19 = 482,261.84/x - Step 3: Cross multiply
890,157.18x = 1,228,417.19 × 482,261.84 - Step 4: Simplify right side
890,157.18x = 592,418,725,783.64 - Step 5: Solve for x
x = 592,418,725,783.64/890,157.18 - Step 6: Final answer
x = 665,521.48
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1.5x scale
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.