Finding the Fourth Proportional to 669,557.08, 923,596.86 and 452,140.12
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Solution
The fourth proportional to 669,557.08, 923,596.86 and 452,140.12 is: 623,688.72
Step by Step Solution
- Step 1: Write the proportion equation
669,557.08 : 923,596.86 = 452,140.12 : x - Step 2: Convert to fraction form
669,557.08/923,596.86 = 452,140.12/x - Step 3: Cross multiply
669,557.08x = 923,596.86 × 452,140.12 - Step 4: Simplify right side
669,557.08x = 417,595,195,112.02 - Step 5: Solve for x
x = 417,595,195,112.02/669,557.08 - Step 6: Final answer
x = 623,688.72
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1.5x scale
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.