Finding the Fourth Proportional to 945,995.46, 1,418,149.52 and 346,816.99
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Solution
The fourth proportional to 945,995.46, 1,418,149.52 and 346,816.99 is: 519,916.19
Step by Step Solution
- Step 1: Write the proportion equation
945,995.46 : 1,418,149.52 = 346,816.99 : x - Step 2: Convert to fraction form
945,995.46/1,418,149.52 = 346,816.99/x - Step 3: Cross multiply
945,995.46x = 1,418,149.52 × 346,816.99 - Step 4: Simplify right side
945,995.46x = 491,838,349,235.51 - Step 5: Solve for x
x = 491,838,349,235.51/945,995.46 - Step 6: Final answer
x = 519,916.19
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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.