Finding the Fourth Proportional to 867,647.58, 1,303,469.37 and 615,553.98
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Solution
The fourth proportional to 867,647.58, 1,303,469.37 and 615,553.98 is: 924,748.45
Step by Step Solution
- Step 1: Write the proportion equation
867,647.58 : 1,303,469.37 = 615,553.98 : x - Step 2: Convert to fraction form
867,647.58/1,303,469.37 = 615,553.98/x - Step 3: Cross multiply
867,647.58x = 1,303,469.37 × 615,553.98 - Step 4: Simplify right side
867,647.58x = 802,355,758,511.59 - Step 5: Solve for x
x = 802,355,758,511.59/867,647.58 - Step 6: Final answer
x = 924,748.45
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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.