Finding the Fourth Proportional to 433,509.68, 597,432.84 and 312,441.68
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Solution
The fourth proportional to 433,509.68, 597,432.84 and 312,441.68 is: 430,585.36
Step by Step Solution
- Step 1: Write the proportion equation
433,509.68 : 597,432.84 = 312,441.68 : x - Step 2: Convert to fraction form
433,509.68/597,432.84 = 312,441.68/x - Step 3: Cross multiply
433,509.68x = 597,432.84 × 312,441.68 - Step 4: Simplify right side
433,509.68x = 186,662,920,216.77 - Step 5: Solve for x
x = 186,662,920,216.77/433,509.68 - Step 6: Final answer
x = 430,585.36
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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.