Finding the Fourth Proportional to 494,477.99, 745,423.11 and 461,520.91
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Solution
The fourth proportional to 494,477.99, 745,423.11 and 461,520.91 is: 695,740.48
Step by Step Solution
- Step 1: Write the proportion equation
494,477.99 : 745,423.11 = 461,520.91 : x - Step 2: Convert to fraction form
494,477.99/745,423.11 = 461,520.91/x - Step 3: Cross multiply
494,477.99x = 745,423.11 × 461,520.91 - Step 4: Simplify right side
494,477.99x = 344,028,352,062.23 - Step 5: Solve for x
x = 344,028,352,062.23/494,477.99 - Step 6: Final answer
x = 695,740.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.