Finding the Fourth Proportional to 870,866.58, 1,201,729.53 and 488,819.55
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Solution
The fourth proportional to 870,866.58, 1,201,729.53 and 488,819.55 is: 674,533.74
Step by Step Solution
- Step 1: Write the proportion equation
870,866.58 : 1,201,729.53 = 488,819.55 : x - Step 2: Convert to fraction form
870,866.58/1,201,729.53 = 488,819.55/x - Step 3: Cross multiply
870,866.58x = 1,201,729.53 × 488,819.55 - Step 4: Simplify right side
870,866.58x = 587,428,888,076.31 - Step 5: Solve for x
x = 587,428,888,076.31/870,866.58 - Step 6: Final answer
x = 674,533.74
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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.