Finding the Fourth Proportional to 556,619.32, 768,128.70 and 301,968.28
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Solution
The fourth proportional to 556,619.32, 768,128.70 and 301,968.28 is: 416,712.99
Step by Step Solution
- Step 1: Write the proportion equation
556,619.32 : 768,128.70 = 301,968.28 : x - Step 2: Convert to fraction form
556,619.32/768,128.70 = 301,968.28/x - Step 3: Cross multiply
556,619.32x = 768,128.70 × 301,968.28 - Step 4: Simplify right side
556,619.32x = 231,950,502,357.64 - Step 5: Solve for x
x = 231,950,502,357.64/556,619.32 - Step 6: Final answer
x = 416,712.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.