Finding the Fourth Proportional to 960,528.76, 1,440,340.86 and 561,284.92
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Solution
The fourth proportional to 960,528.76, 1,440,340.86 and 561,284.92 is: 841,663.09
Step by Step Solution
- Step 1: Write the proportion equation
960,528.76 : 1,440,340.86 = 561,284.92 : x - Step 2: Convert to fraction form
960,528.76/1,440,340.86 = 561,284.92/x - Step 3: Cross multiply
960,528.76x = 1,440,340.86 × 561,284.92 - Step 4: Simplify right side
960,528.76x = 808,441,604,377.83 - Step 5: Solve for x
x = 808,441,604,377.83/960,528.76 - Step 6: Final answer
x = 841,663.09
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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.