Finding the Fourth Proportional to 907,887.07, 1,252,893.59 and 499,996.99
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Solution
The fourth proportional to 907,887.07, 1,252,893.59 and 499,996.99 is: 690,001.04
Step by Step Solution
- Step 1: Write the proportion equation
907,887.07 : 1,252,893.59 = 499,996.99 : x - Step 2: Convert to fraction form
907,887.07/1,252,893.59 = 499,996.99/x - Step 3: Cross multiply
907,887.07x = 1,252,893.59 × 499,996.99 - Step 4: Simplify right side
907,887.07x = 626,443,023,790.29 - Step 5: Solve for x
x = 626,443,023,790.29/907,887.07 - Step 6: Final answer
x = 690,001.04
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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.