Finding the Fourth Proportional to 566,986.07, 782,403.64 and 312,337.26
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Solution
The fourth proportional to 566,986.07, 782,403.64 and 312,337.26 is: 431,004.96
Step by Step Solution
- Step 1: Write the proportion equation
566,986.07 : 782,403.64 = 312,337.26 : x - Step 2: Convert to fraction form
566,986.07/782,403.64 = 312,337.26/x - Step 3: Cross multiply
566,986.07x = 782,403.64 × 312,337.26 - Step 4: Simplify right side
566,986.07x = 244,373,808,350.78 - Step 5: Solve for x
x = 244,373,808,350.78/566,986.07 - Step 6: Final answer
x = 431,004.96
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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.