Finding the Fourth Proportional to 610,774.44, 842,518.53 and 380,932.68
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Solution
The fourth proportional to 610,774.44, 842,518.53 and 380,932.68 is: 525,468.68
Step by Step Solution
- Step 1: Write the proportion equation
610,774.44 : 842,518.53 = 380,932.68 : x - Step 2: Convert to fraction form
610,774.44/842,518.53 = 380,932.68/x - Step 3: Cross multiply
610,774.44x = 842,518.53 × 380,932.68 - Step 4: Simplify right side
610,774.44x = 320,942,841,582.56 - Step 5: Solve for x
x = 320,942,841,582.56/610,774.44 - Step 6: Final answer
x = 525,468.68
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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.