Finding the Fourth Proportional to 960,529.76, 1,440,342.36 and 561,285.92
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Solution
The fourth proportional to 960,529.76, 1,440,342.36 and 561,285.92 is: 841,664.59
Step by Step Solution
- Step 1: Write the proportion equation
960,529.76 : 1,440,342.36 = 561,285.92 : x - Step 2: Convert to fraction form
960,529.76/1,440,342.36 = 561,285.92/x - Step 3: Cross multiply
960,529.76x = 1,440,342.36 × 561,285.92 - Step 4: Simplify right side
960,529.76x = 808,443,886,647.57 - Step 5: Solve for x
x = 808,443,886,647.57/960,529.76 - Step 6: Final answer
x = 841,664.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.