Finding the Fourth Proportional to 519,752.70, 779,045.85 and 295,220.70
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Solution
The fourth proportional to 519,752.70, 779,045.85 and 295,220.70 is: 442,499.79
Step by Step Solution
- Step 1: Write the proportion equation
519,752.70 : 779,045.85 = 295,220.70 : x - Step 2: Convert to fraction form
519,752.70/779,045.85 = 295,220.70/x - Step 3: Cross multiply
519,752.70x = 779,045.85 × 295,220.70 - Step 4: Simplify right side
519,752.70x = 229,990,461,169.10 - Step 5: Solve for x
x = 229,990,461,169.10/519,752.70 - Step 6: Final answer
x = 442,499.79
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1.5x scale
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.