Finding the Fourth Proportional to 556,785.24, 768,365.70 and 302,136.48
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Solution
The fourth proportional to 556,785.24, 768,365.70 and 302,136.48 is: 416,949.47
Step by Step Solution
- Step 1: Write the proportion equation
556,785.24 : 768,365.70 = 302,136.48 : x - Step 2: Convert to fraction form
556,785.24/768,365.70 = 302,136.48/x - Step 3: Cross multiply
556,785.24x = 768,365.70 × 302,136.48 - Step 4: Simplify right side
556,785.24x = 232,151,307,950.74 - Step 5: Solve for x
x = 232,151,307,950.74/556,785.24 - Step 6: Final answer
x = 416,949.47
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1.5x scale
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.