Finding the Fourth Proportional to 979,749.48, 1,352,008.26 and 544,195.06
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Solution
The fourth proportional to 979,749.48, 1,352,008.26 and 544,195.06 is: 750,963.62
Step by Step Solution
- Step 1: Write the proportion equation
979,749.48 : 1,352,008.26 = 544,195.06 : x - Step 2: Convert to fraction form
979,749.48/1,352,008.26 = 544,195.06/x - Step 3: Cross multiply
979,749.48x = 1,352,008.26 × 544,195.06 - Step 4: Simplify right side
979,749.48x = 735,756,217,861.21 - Step 5: Solve for x
x = 735,756,217,861.21/979,749.48 - Step 6: Final answer
x = 750,963.62
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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.