Finding the Fourth Proportional to 782,907.30, 1,174,360.95 and 221,946.66
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Solution
The fourth proportional to 782,907.30, 1,174,360.95 and 221,946.66 is: 332,919.99
Step by Step Solution
- Step 1: Write the proportion equation
782,907.30 : 1,174,360.95 = 221,946.66 : x - Step 2: Convert to fraction form
782,907.30/1,174,360.95 = 221,946.66/x - Step 3: Cross multiply
782,907.30x = 1,174,360.95 × 221,946.66 - Step 4: Simplify right side
782,907.30x = 260,645,490,486.93 - Step 5: Solve for x
x = 260,645,490,486.93/782,907.30 - Step 6: Final answer
x = 332,919.99
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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.