Finding the Fourth Proportional to 979,040.14, 1,351,098.68 and 549,352.05
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Solution
The fourth proportional to 979,040.14, 1,351,098.68 and 549,352.05 is: 758,118.89
Step by Step Solution
- Step 1: Write the proportion equation
979,040.14 : 1,351,098.68 = 549,352.05 : x - Step 2: Convert to fraction form
979,040.14/1,351,098.68 = 549,352.05/x - Step 3: Cross multiply
979,040.14x = 1,351,098.68 × 549,352.05 - Step 4: Simplify right side
979,040.14x = 742,228,824,887.02 - Step 5: Solve for x
x = 742,228,824,887.02/979,040.14 - Step 6: Final answer
x = 758,118.89
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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.