Finding the Fourth Proportional to 561,228.48, 774,512.33 and 306,596.07
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Solution
The fourth proportional to 561,228.48, 774,512.33 and 306,596.07 is: 423,111.88
Step by Step Solution
- Step 1: Write the proportion equation
561,228.48 : 774,512.33 = 306,596.07 : x - Step 2: Convert to fraction form
561,228.48/774,512.33 = 306,596.07/x - Step 3: Cross multiply
561,228.48x = 774,512.33 × 306,596.07 - Step 4: Simplify right side
561,228.48x = 237,462,435,011.56 - Step 5: Solve for x
x = 237,462,435,011.56/561,228.48 - Step 6: Final answer
x = 423,111.88
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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.