Finding the Fourth Proportional to 979,322.60, 1,351,491.99 and 549,629.36
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Solution
The fourth proportional to 979,322.60, 1,351,491.99 and 549,629.36 is: 758,503.56
Step by Step Solution
- Step 1: Write the proportion equation
979,322.60 : 1,351,491.99 = 549,629.36 : x - Step 2: Convert to fraction form
979,322.60/1,351,491.99 = 549,629.36/x - Step 3: Cross multiply
979,322.60x = 1,351,491.99 × 549,629.36 - Step 4: Simplify right side
979,322.60x = 742,819,677,508.83 - Step 5: Solve for x
x = 742,819,677,508.83/979,322.60 - Step 6: Final answer
x = 758,503.56
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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.