Finding the Fourth Proportional to 907,733.20, 1,252,681.14 and 499,873
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Solution
The fourth proportional to 907,733.20, 1,252,681.14 and 499,873 is: 689,829.87
Step by Step Solution
- Step 1: Write the proportion equation
907,733.20 : 1,252,681.14 = 499,873 : x - Step 2: Convert to fraction form
907,733.20/1,252,681.14 = 499,873/x - Step 3: Cross multiply
907,733.20x = 1,252,681.14 × 499,873 - Step 4: Simplify right side
907,733.20x = 626,181,479,495.22 - Step 5: Solve for x
x = 626,181,479,495.22/907,733.20 - Step 6: Final answer
x = 689,829.87
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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.