Finding the Fourth Proportional to 946,959.70, 1,306,795.73 and 517,239.70
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Solution
The fourth proportional to 946,959.70, 1,306,795.73 and 517,239.70 is: 713,786.06
Step by Step Solution
- Step 1: Write the proportion equation
946,959.70 : 1,306,795.73 = 517,239.70 : x - Step 2: Convert to fraction form
946,959.70/1,306,795.73 = 517,239.70/x - Step 3: Cross multiply
946,959.70x = 1,306,795.73 × 517,239.70 - Step 4: Simplify right side
946,959.70x = 675,926,631,346.48 - Step 5: Solve for x
x = 675,926,631,346.48/946,959.70 - Step 6: Final answer
x = 713,786.06
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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.