Finding the Fourth Proportional to 561,340.07, 774,647.91 and 306,693.08
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Solution
The fourth proportional to 561,340.07, 774,647.91 and 306,693.08 is: 423,235.69
Step by Step Solution
- Step 1: Write the proportion equation
561,340.07 : 774,647.91 = 306,693.08 : x - Step 2: Convert to fraction form
561,340.07/774,647.91 = 306,693.08/x - Step 3: Cross multiply
561,340.07x = 774,647.91 × 306,693.08 - Step 4: Simplify right side
561,340.07x = 237,579,149,560.22 - Step 5: Solve for x
x = 237,579,149,560.22/561,340.07 - Step 6: Final answer
x = 423,235.69
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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.