Finding the Fourth Proportional to 710,749.36, 1,065,733.56 and 350,126.70
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Solution
The fourth proportional to 710,749.36, 1,065,733.56 and 350,126.70 is: 524,997.69
Step by Step Solution
- Step 1: Write the proportion equation
710,749.36 : 1,065,733.56 = 350,126.70 : x - Step 2: Convert to fraction form
710,749.36/1,065,733.56 = 350,126.70/x - Step 3: Cross multiply
710,749.36x = 1,065,733.56 × 350,126.70 - Step 4: Simplify right side
710,749.36x = 373,141,774,442.05 - Step 5: Solve for x
x = 373,141,774,442.05/710,749.36 - Step 6: Final answer
x = 524,997.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.