Finding the Fourth Proportional to 864,430.70, 1,192,913.66 and 477,246.65
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Solution
The fourth proportional to 864,430.70, 1,192,913.66 and 477,246.65 is: 658,599.99
Step by Step Solution
- Step 1: Write the proportion equation
864,430.70 : 1,192,913.66 = 477,246.65 : x - Step 2: Convert to fraction form
864,430.70/1,192,913.66 = 477,246.65/x - Step 3: Cross multiply
864,430.70x = 1,192,913.66 × 477,246.65 - Step 4: Simplify right side
864,430.70x = 569,314,043,202.79 - Step 5: Solve for x
x = 569,314,043,202.79/864,430.70 - Step 6: Final answer
x = 658,599.99
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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.