Finding the Fourth Proportional to 607,253.97, 909,721.84 and 340,206.69
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Solution
The fourth proportional to 607,253.97, 909,721.84 and 340,206.69 is: 509,660.65
Step by Step Solution
- Step 1: Write the proportion equation
607,253.97 : 909,721.84 = 340,206.69 : x - Step 2: Convert to fraction form
607,253.97/909,721.84 = 340,206.69/x - Step 3: Cross multiply
607,253.97x = 909,721.84 × 340,206.69 - Step 4: Simplify right side
607,253.97x = 309,493,456,007.11 - Step 5: Solve for x
x = 309,493,456,007.11/607,253.97 - Step 6: Final answer
x = 509,660.65
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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.