Finding the Fourth Proportional to 998,701.02, 1,378,207.17 and 545,992.02
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Solution
The fourth proportional to 998,701.02, 1,378,207.17 and 545,992.02 is: 753,468.86
Step by Step Solution
- Step 1: Write the proportion equation
998,701.02 : 1,378,207.17 = 545,992.02 : x - Step 2: Convert to fraction form
998,701.02/1,378,207.17 = 545,992.02/x - Step 3: Cross multiply
998,701.02x = 1,378,207.17 × 545,992.02 - Step 4: Simplify right side
998,701.02x = 752,490,116,726.78 - Step 5: Solve for x
x = 752,490,116,726.78/998,701.02 - Step 6: Final answer
x = 753,468.86
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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.