Finding the Fourth Proportional to 647,974.35, 894,187.35 and 361,487.07
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Solution
The fourth proportional to 647,974.35, 894,187.35 and 361,487.07 is: 498,842.53
Step by Step Solution
- Step 1: Write the proportion equation
647,974.35 : 894,187.35 = 361,487.07 : x - Step 2: Convert to fraction form
647,974.35/894,187.35 = 361,487.07/x - Step 3: Cross multiply
647,974.35x = 894,187.35 × 361,487.07 - Step 4: Simplify right side
647,974.35x = 323,237,165,182.57 - Step 5: Solve for x
x = 323,237,165,182.57/647,974.35 - Step 6: Final answer
x = 498,842.53
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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.