Finding the Fourth Proportional to 540,581.77, 745,878.83 and 322,747.99
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Solution
The fourth proportional to 540,581.77, 745,878.83 and 322,747.99 is: 445,318.19
Step by Step Solution
- Step 1: Write the proportion equation
540,581.77 : 745,878.83 = 322,747.99 : x - Step 2: Convert to fraction form
540,581.77/745,878.83 = 322,747.99/x - Step 3: Cross multiply
540,581.77x = 745,878.83 × 322,747.99 - Step 4: Simplify right side
540,581.77x = 240,730,895,698.64 - Step 5: Solve for x
x = 240,730,895,698.64/540,581.77 - Step 6: Final answer
x = 445,318.19
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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.