Finding the Fourth Proportional to 863,803.98, 1,295,152.35 and 358,713.60
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Solution
The fourth proportional to 863,803.98, 1,295,152.35 and 358,713.60 is: 537,840.50
Step by Step Solution
- Step 1: Write the proportion equation
863,803.98 : 1,295,152.35 = 358,713.60 : x - Step 2: Convert to fraction form
863,803.98/1,295,152.35 = 358,713.60/x - Step 3: Cross multiply
863,803.98x = 1,295,152.35 × 358,713.60 - Step 4: Simplify right side
863,803.98x = 464,588,762,016.96 - Step 5: Solve for x
x = 464,588,762,016.96/863,803.98 - Step 6: Final answer
x = 537,840.50
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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.