Finding the Fourth Proportional to 979,410.92, 1,351,587.07 and 549,691.05
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Solution
The fourth proportional to 979,410.92, 1,351,587.07 and 549,691.05 is: 758,573.65
Step by Step Solution
- Step 1: Write the proportion equation
979,410.92 : 1,351,587.07 = 549,691.05 : x - Step 2: Convert to fraction form
979,410.92/1,351,587.07 = 549,691.05/x - Step 3: Cross multiply
979,410.92x = 1,351,587.07 × 549,691.05 - Step 4: Simplify right side
979,410.92x = 742,955,318,756.64 - Step 5: Solve for x
x = 742,955,318,756.64/979,410.92 - Step 6: Final answer
x = 758,573.65
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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.