Finding the Fourth Proportional to 673,294.16, 928,305.52 and 431,178.68
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Solution
The fourth proportional to 673,294.16, 928,305.52 and 431,178.68 is: 594,488.37
Step by Step Solution
- Step 1: Write the proportion equation
673,294.16 : 928,305.52 = 431,178.68 : x - Step 2: Convert to fraction form
673,294.16/928,305.52 = 431,178.68/x - Step 3: Cross multiply
673,294.16x = 928,305.52 × 431,178.68 - Step 4: Simplify right side
673,294.16x = 400,265,548,750.31 - Step 5: Solve for x
x = 400,265,548,750.31/673,294.16 - Step 6: Final answer
x = 594,488.37
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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.