Finding the Fourth Proportional to 949,314.09, 1,423,789.70 and 284,466.09
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Solution
The fourth proportional to 949,314.09, 1,423,789.70 and 284,466.09 is: 426,644.77
Step by Step Solution
- Step 1: Write the proportion equation
949,314.09 : 1,423,789.70 = 284,466.09 : x - Step 2: Convert to fraction form
949,314.09/1,423,789.70 = 284,466.09/x - Step 3: Cross multiply
949,314.09x = 1,423,789.70 × 284,466.09 - Step 4: Simplify right side
949,314.09x = 405,019,887,518.94 - Step 5: Solve for x
x = 405,019,887,518.94/949,314.09 - Step 6: Final answer
x = 426,644.77
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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.