Finding the Fourth Proportional to 929,643.30, 1,394,594.55 and 397,160.10
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Solution
The fourth proportional to 929,643.30, 1,394,594.55 and 397,160.10 is: 595,795.52
Step by Step Solution
- Step 1: Write the proportion equation
929,643.30 : 1,394,594.55 = 397,160.10 : x - Step 2: Convert to fraction form
929,643.30/1,394,594.55 = 397,160.10/x - Step 3: Cross multiply
929,643.30x = 1,394,594.55 × 397,160.10 - Step 4: Simplify right side
929,643.30x = 553,877,310,937.46 - Step 5: Solve for x
x = 553,877,310,937.46/929,643.30 - Step 6: Final answer
x = 595,795.52
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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.