Finding the Fourth Proportional to 611,295.24, 915,650.10 and 386,539.68
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Solution
The fourth proportional to 611,295.24, 915,650.10 and 386,539.68 is: 578,992.07
Step by Step Solution
- Step 1: Write the proportion equation
611,295.24 : 915,650.10 = 386,539.68 : x - Step 2: Convert to fraction form
611,295.24/915,650.10 = 386,539.68/x - Step 3: Cross multiply
611,295.24x = 915,650.10 × 386,539.68 - Step 4: Simplify right side
611,295.24x = 353,935,096,645.97 - Step 5: Solve for x
x = 353,935,096,645.97/611,295.24 - Step 6: Final answer
x = 578,992.07
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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.