Finding the Fourth Proportional to 626,833.46, 865,005.91 and 340,346.99
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Solution
The fourth proportional to 626,833.46, 865,005.91 and 340,346.99 is: 469,665.67
Step by Step Solution
- Step 1: Write the proportion equation
626,833.46 : 865,005.91 = 340,346.99 : x - Step 2: Convert to fraction form
626,833.46/865,005.91 = 340,346.99/x - Step 3: Cross multiply
626,833.46x = 865,005.91 × 340,346.99 - Step 4: Simplify right side
626,833.46x = 294,402,159,112.36 - Step 5: Solve for x
x = 294,402,159,112.36/626,833.46 - Step 6: Final answer
x = 469,665.67
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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.