Finding the Fourth Proportional to 1,009,254.44, 1,392,707.58 and 579,231.92
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Solution
The fourth proportional to 1,009,254.44, 1,392,707.58 and 579,231.92 is: 799,303.58
Step by Step Solution
- Step 1: Write the proportion equation
1,009,254.44 : 1,392,707.58 = 579,231.92 : x - Step 2: Convert to fraction form
1,009,254.44/1,392,707.58 = 579,231.92/x - Step 3: Cross multiply
1,009,254.44x = 1,392,707.58 × 579,231.92 - Step 4: Simplify right side
1,009,254.44x = 806,700,685,561.95 - Step 5: Solve for x
x = 806,700,685,561.95/1,009,254.44 - Step 6: Final answer
x = 799,303.58
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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.