Finding the Fourth Proportional to 949,418.84, 1,310,199.35 and 519,726.12
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Solution
The fourth proportional to 949,418.84, 1,310,199.35 and 519,726.12 is: 717,222.79
Step by Step Solution
- Step 1: Write the proportion equation
949,418.84 : 1,310,199.35 = 519,726.12 : x - Step 2: Convert to fraction form
949,418.84/1,310,199.35 = 519,726.12/x - Step 3: Cross multiply
949,418.84x = 1,310,199.35 × 519,726.12 - Step 4: Simplify right side
949,418.84x = 680,944,822,003.39 - Step 5: Solve for x
x = 680,944,822,003.39/949,418.84 - Step 6: Final answer
x = 717,222.79
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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.