Finding the Fourth Proportional to 578,867.92, 798,840.02 and 324,219.11
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Solution
The fourth proportional to 578,867.92, 798,840.02 and 324,219.11 is: 447,423.65
Step by Step Solution
- Step 1: Write the proportion equation
578,867.92 : 798,840.02 = 324,219.11 : x - Step 2: Convert to fraction form
578,867.92/798,840.02 = 324,219.11/x - Step 3: Cross multiply
578,867.92x = 798,840.02 × 324,219.11 - Step 4: Simplify right side
578,867.92x = 258,999,197,133.13 - Step 5: Solve for x
x = 258,999,197,133.13/578,867.92 - Step 6: Final answer
x = 447,423.65
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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.