Finding the Fourth Proportional to 673,292.79, 928,303.62 and 431,177.31
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Solution
The fourth proportional to 673,292.79, 928,303.62 and 431,177.31 is: 594,486.48
Step by Step Solution
- Step 1: Write the proportion equation
673,292.79 : 928,303.62 = 431,177.31 : x - Step 2: Convert to fraction form
673,292.79/928,303.62 = 431,177.31/x - Step 3: Cross multiply
673,292.79x = 928,303.62 × 431,177.31 - Step 4: Simplify right side
673,292.79x = 400,263,457,734.86 - Step 5: Solve for x
x = 400,263,457,734.86/673,292.79 - Step 6: Final answer
x = 594,486.48
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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.