Finding the Fourth Proportional to 679,020.81, 936,697.34 and 461,240.70
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Solution
The fourth proportional to 679,020.81, 936,697.34 and 461,240.70 is: 636,273.48
Step by Step Solution
- Step 1: Write the proportion equation
679,020.81 : 936,697.34 = 461,240.70 : x - Step 2: Convert to fraction form
679,020.81/936,697.34 = 461,240.70/x - Step 3: Cross multiply
679,020.81x = 936,697.34 × 461,240.70 - Step 4: Simplify right side
679,020.81x = 432,042,934,483.54 - Step 5: Solve for x
x = 432,042,934,483.54/679,020.81 - Step 6: Final answer
x = 636,273.48
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1.5x scale
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.