Finding the Fourth Proportional to 890,919.84, 1,336,047.36 and 358,261.44
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Solution
The fourth proportional to 890,919.84, 1,336,047.36 and 358,261.44 is: 537,258.49
Step by Step Solution
- Step 1: Write the proportion equation
890,919.84 : 1,336,047.36 = 358,261.44 : x - Step 2: Convert to fraction form
890,919.84/1,336,047.36 = 358,261.44/x - Step 3: Cross multiply
890,919.84x = 1,336,047.36 × 358,261.44 - Step 4: Simplify right side
890,919.84x = 478,654,251,101.80 - Step 5: Solve for x
x = 478,654,251,101.80/890,919.84 - Step 6: Final answer
x = 537,258.49
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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.