Finding the Fourth Proportional to 566,931.22, 782,365.11 and 312,282.42
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Solution
The fourth proportional to 566,931.22, 782,365.11 and 312,282.42 is: 430,949.75
Step by Step Solution
- Step 1: Write the proportion equation
566,931.22 : 782,365.11 = 312,282.42 : x - Step 2: Convert to fraction form
566,931.22/782,365.11 = 312,282.42/x - Step 3: Cross multiply
566,931.22x = 782,365.11 × 312,282.42 - Step 4: Simplify right side
566,931.22x = 244,318,869,874.37 - Step 5: Solve for x
x = 244,318,869,874.37/566,931.22 - Step 6: Final answer
x = 430,949.75
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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.