Finding the Fourth Proportional to 763,207.56, 1,143,464.12 and 463,078.68
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Solution
The fourth proportional to 763,207.56, 1,143,464.12 and 463,078.68 is: 693,800.59
Step by Step Solution
- Step 1: Write the proportion equation
763,207.56 : 1,143,464.12 = 463,078.68 : x - Step 2: Convert to fraction form
763,207.56/1,143,464.12 = 463,078.68/x - Step 3: Cross multiply
763,207.56x = 1,143,464.12 × 463,078.68 - Step 4: Simplify right side
763,207.56x = 529,513,855,316.96 - Step 5: Solve for x
x = 529,513,855,316.96/763,207.56 - Step 6: Final answer
x = 693,800.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.