Finding the Fourth Proportional to 783,528.04, 1,081,636.50 and 461,135.08
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Solution
The fourth proportional to 783,528.04, 1,081,636.50 and 461,135.08 is: 636,582.88
Step by Step Solution
- Step 1: Write the proportion equation
783,528.04 : 1,081,636.50 = 461,135.08 : x - Step 2: Convert to fraction form
783,528.04/1,081,636.50 = 461,135.08/x - Step 3: Cross multiply
783,528.04x = 1,081,636.50 × 461,135.08 - Step 4: Simplify right side
783,528.04x = 498,780,533,958.42 - Step 5: Solve for x
x = 498,780,533,958.42/783,528.04 - Step 6: Final answer
x = 636,582.88
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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.