Finding the Fourth Proportional to 838,819.58, 1,157,584.23 and 456,846.08
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Solution
The fourth proportional to 838,819.58, 1,157,584.23 and 456,846.08 is: 630,454.78
Step by Step Solution
- Step 1: Write the proportion equation
838,819.58 : 1,157,584.23 = 456,846.08 : x - Step 2: Convert to fraction form
838,819.58/1,157,584.23 = 456,846.08/x - Step 3: Cross multiply
838,819.58x = 1,157,584.23 × 456,846.08 - Step 4: Simplify right side
838,819.58x = 528,837,811,957.40 - Step 5: Solve for x
x = 528,837,811,957.40/838,819.58 - Step 6: Final answer
x = 630,454.78
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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.