Finding the Fourth Proportional to 726,109.33, 1,000,980.42 and 480,682.84
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Solution
The fourth proportional to 726,109.33, 1,000,980.42 and 480,682.84 is: 662,646.92
Step by Step Solution
- Step 1: Write the proportion equation
726,109.33 : 1,000,980.42 = 480,682.84 : x - Step 2: Convert to fraction form
726,109.33/1,000,980.42 = 480,682.84/x - Step 3: Cross multiply
726,109.33x = 1,000,980.42 × 480,682.84 - Step 4: Simplify right side
726,109.33x = 481,154,111,069.99 - Step 5: Solve for x
x = 481,154,111,069.99/726,109.33 - Step 6: Final answer
x = 662,646.92
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1.5x scale
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.