Finding the Fourth Proportional to 949,930, 1,310,887.48 and 514,343.60
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Solution
The fourth proportional to 949,930, 1,310,887.48 and 514,343.60 is: 709,785.55
Step by Step Solution
- Step 1: Write the proportion equation
949,930 : 1,310,887.48 = 514,343.60 : x - Step 2: Convert to fraction form
949,930/1,310,887.48 = 514,343.60/x - Step 3: Cross multiply
949,930x = 1,310,887.48 × 514,343.60 - Step 4: Simplify right side
949,930x = 674,246,585,658.13 - Step 5: Solve for x
x = 674,246,585,658.13/949,930 - Step 6: Final answer
x = 709,785.55
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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.