Finding the Fourth Proportional to 944,855.19, 1,303,899.24 and 515,135.20
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Solution
The fourth proportional to 944,855.19, 1,303,899.24 and 515,135.20 is: 710,886.07
Step by Step Solution
- Step 1: Write the proportion equation
944,855.19 : 1,303,899.24 = 515,135.20 : x - Step 2: Convert to fraction form
944,855.19/1,303,899.24 = 515,135.20/x - Step 3: Cross multiply
944,855.19x = 1,303,899.24 × 515,135.20 - Step 4: Simplify right side
944,855.19x = 671,684,393,201.57 - Step 5: Solve for x
x = 671,684,393,201.57/944,855.19 - Step 6: Final answer
x = 710,886.07
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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.