Finding the Fourth Proportional to 508,744.60, 702,070.26 and 317,868.70
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Solution
The fourth proportional to 508,744.60, 702,070.26 and 317,868.70 is: 438,660.50
Step by Step Solution
- Step 1: Write the proportion equation
508,744.60 : 702,070.26 = 317,868.70 : x - Step 2: Convert to fraction form
508,744.60/702,070.26 = 317,868.70/x - Step 3: Cross multiply
508,744.60x = 702,070.26 × 317,868.70 - Step 4: Simplify right side
508,744.60x = 223,166,160,854.86 - Step 5: Solve for x
x = 223,166,160,854.86/508,744.60 - Step 6: Final answer
x = 438,660.50
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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.