Finding the Fourth Proportional to 999,053.08, 1,378,690.46 and 540,164.44
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Solution
The fourth proportional to 999,053.08, 1,378,690.46 and 540,164.44 is: 745,425.42
Step by Step Solution
- Step 1: Write the proportion equation
999,053.08 : 1,378,690.46 = 540,164.44 : x - Step 2: Convert to fraction form
999,053.08/1,378,690.46 = 540,164.44/x - Step 3: Cross multiply
999,053.08x = 1,378,690.46 × 540,164.44 - Step 4: Simplify right side
999,053.08x = 744,719,560,259.24 - Step 5: Solve for x
x = 744,719,560,259.24/999,053.08 - Step 6: Final answer
x = 745,425.42
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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.