Finding the Fourth Proportional to 725,519.97, 1,001,210.36 and 403,223.15
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Solution
The fourth proportional to 725,519.97, 1,001,210.36 and 403,223.15 is: 556,443.94
Step by Step Solution
- Step 1: Write the proportion equation
725,519.97 : 1,001,210.36 = 403,223.15 : x - Step 2: Convert to fraction form
725,519.97/1,001,210.36 = 403,223.15/x - Step 3: Cross multiply
725,519.97x = 1,001,210.36 × 403,223.15 - Step 4: Simplify right side
725,519.97x = 403,711,188,149.67 - Step 5: Solve for x
x = 403,711,188,149.67/725,519.97 - Step 6: Final answer
x = 556,443.94
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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.