Finding the Fourth Proportional to 724,560.48, 999,847.21 and 402,270.49
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Solution
The fourth proportional to 724,560.48, 999,847.21 and 402,270.49 is: 555,107.60
Step by Step Solution
- Step 1: Write the proportion equation
724,560.48 : 999,847.21 = 402,270.49 : x - Step 2: Convert to fraction form
724,560.48/999,847.21 = 402,270.49/x - Step 3: Cross multiply
724,560.48x = 999,847.21 × 402,270.49 - Step 4: Simplify right side
724,560.48x = 402,209,027,091.83 - Step 5: Solve for x
x = 402,209,027,091.83/724,560.48 - Step 6: Final answer
x = 555,107.60
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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.