Finding the Fourth Proportional to 960,476.76, 1,440,262.98 and 561,232.80
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Solution
The fourth proportional to 960,476.76, 1,440,262.98 and 561,232.80 is: 841,584.99
Step by Step Solution
- Step 1: Write the proportion equation
960,476.76 : 1,440,262.98 = 561,232.80 : x - Step 2: Convert to fraction form
960,476.76/1,440,262.98 = 561,232.80/x - Step 3: Cross multiply
960,476.76x = 1,440,262.98 × 561,232.80 - Step 4: Simplify right side
960,476.76x = 808,322,825,001.74 - Step 5: Solve for x
x = 808,322,825,001.74/960,476.76 - Step 6: Final answer
x = 841,584.99
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1.5x scale
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.