Finding the Fourth Proportional to 926,881.60, 1,391,219.84 and 447,446.08
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Solution
The fourth proportional to 926,881.60, 1,391,219.84 and 447,446.08 is: 671,602.35
Step by Step Solution
- Step 1: Write the proportion equation
926,881.60 : 1,391,219.84 = 447,446.08 : x - Step 2: Convert to fraction form
926,881.60/1,391,219.84 = 447,446.08/x - Step 3: Cross multiply
926,881.60x = 1,391,219.84 × 447,446.08 - Step 4: Simplify right side
926,881.60x = 622,495,863,826.23 - Step 5: Solve for x
x = 622,495,863,826.23/926,881.60 - Step 6: Final answer
x = 671,602.35
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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.