Finding the Fourth Proportional to 698,822.10, 1,048,233.15 and 446,879.70
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Solution
The fourth proportional to 698,822.10, 1,048,233.15 and 446,879.70 is: 670,319.55
Step by Step Solution
- Step 1: Write the proportion equation
698,822.10 : 1,048,233.15 = 446,879.70 : x - Step 2: Convert to fraction form
698,822.10/1,048,233.15 = 446,879.70/x - Step 3: Cross multiply
698,822.10x = 1,048,233.15 × 446,879.70 - Step 4: Simplify right side
698,822.10x = 468,434,115,602.06 - Step 5: Solve for x
x = 468,434,115,602.06/698,822.10 - Step 6: Final answer
x = 670,319.55
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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.