Finding the Fourth Proportional to 735,695.70, 1,102,085.55 and 648,021.30
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Solution
The fourth proportional to 735,695.70, 1,102,085.55 and 648,021.30 is: 970,747.70
Step by Step Solution
- Step 1: Write the proportion equation
735,695.70 : 1,102,085.55 = 648,021.30 : x - Step 2: Convert to fraction form
735,695.70/1,102,085.55 = 648,021.30/x - Step 3: Cross multiply
735,695.70x = 1,102,085.55 × 648,021.30 - Step 4: Simplify right side
735,695.70x = 714,174,910,822.22 - Step 5: Solve for x
x = 714,174,910,822.22/735,695.70 - Step 6: Final answer
x = 970,747.70
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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.