Finding the Fourth Proportional to 648,226.80, 972,340.20 and 274,201.20
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Solution
The fourth proportional to 648,226.80, 972,340.20 and 274,201.20 is: 411,301.80
Step by Step Solution
- Step 1: Write the proportion equation
648,226.80 : 972,340.20 = 274,201.20 : x - Step 2: Convert to fraction form
648,226.80/972,340.20 = 274,201.20/x - Step 3: Cross multiply
648,226.80x = 972,340.20 × 274,201.20 - Step 4: Simplify right side
648,226.80x = 266,616,849,648.24 - Step 5: Solve for x
x = 266,616,849,648.24/648,226.80 - Step 6: Final answer
x = 411,301.80
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1.5x scale
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.