Finding the Fourth Proportional to 947,900.08, 1,420,592.46 and 414,840.70
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Solution
The fourth proportional to 947,900.08, 1,420,592.46 and 414,840.70 is: 621,710.65
Step by Step Solution
- Step 1: Write the proportion equation
947,900.08 : 1,420,592.46 = 414,840.70 : x - Step 2: Convert to fraction form
947,900.08/1,420,592.46 = 414,840.70/x - Step 3: Cross multiply
947,900.08x = 1,420,592.46 × 414,840.70 - Step 4: Simplify right side
947,900.08x = 589,319,570,521.12 - Step 5: Solve for x
x = 589,319,570,521.12/947,900.08 - Step 6: Final answer
x = 621,710.65
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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.