Finding the Fourth Proportional to 673,293.16, 928,304.15 and 431,177.68
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Solution
The fourth proportional to 673,293.16, 928,304.15 and 431,177.68 is: 594,486.99
Step by Step Solution
- Step 1: Write the proportion equation
673,293.16 : 928,304.15 = 431,177.68 : x - Step 2: Convert to fraction form
673,293.16/928,304.15 = 431,177.68/x - Step 3: Cross multiply
673,293.16x = 928,304.15 × 431,177.68 - Step 4: Simplify right side
673,293.16x = 400,264,025,254.72 - Step 5: Solve for x
x = 400,264,025,254.72/673,293.16 - Step 6: Final answer
x = 594,486.99
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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.