Finding the Fourth Proportional to 850,923.12, 1,174,267.98 and 468,950.25
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Solution
The fourth proportional to 850,923.12, 1,174,267.98 and 468,950.25 is: 647,148.08
Step by Step Solution
- Step 1: Write the proportion equation
850,923.12 : 1,174,267.98 = 468,950.25 : x - Step 2: Convert to fraction form
850,923.12/1,174,267.98 = 468,950.25/x - Step 3: Cross multiply
850,923.12x = 1,174,267.98 × 468,950.25 - Step 4: Simplify right side
850,923.12x = 550,673,262,788.00 - Step 5: Solve for x
x = 550,673,262,788.00/850,923.12 - Step 6: Final answer
x = 647,148.08
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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.