Finding the Fourth Proportional to 567,995.91, 783,834.30 and 313,347.09
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Solution
The fourth proportional to 567,995.91, 783,834.30 and 313,347.09 is: 432,418.95
Step by Step Solution
- Step 1: Write the proportion equation
567,995.91 : 783,834.30 = 313,347.09 : x - Step 2: Convert to fraction form
567,995.91/783,834.30 = 313,347.09/x - Step 3: Cross multiply
567,995.91x = 783,834.30 × 313,347.09 - Step 4: Simplify right side
567,995.91x = 245,612,196,947.19 - Step 5: Solve for x
x = 245,612,196,947.19/567,995.91 - Step 6: Final answer
x = 432,418.95
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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.