Finding the Fourth Proportional to 1,004,459.31, 1,386,163.94 and 545,582.84
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Solution
The fourth proportional to 1,004,459.31, 1,386,163.94 and 545,582.84 is: 752,909.79
Step by Step Solution
- Step 1: Write the proportion equation
1,004,459.31 : 1,386,163.94 = 545,582.84 : x - Step 2: Convert to fraction form
1,004,459.31/1,386,163.94 = 545,582.84/x - Step 3: Cross multiply
1,004,459.31x = 1,386,163.94 × 545,582.84 - Step 4: Simplify right side
1,004,459.31x = 756,267,249,432.06 - Step 5: Solve for x
x = 756,267,249,432.06/1,004,459.31 - Step 6: Final answer
x = 752,909.79
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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.