Finding the Fourth Proportional to 960,609.98, 1,325,768.49 and 929,064.93
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Solution
The fourth proportional to 960,609.98, 1,325,768.49 and 929,064.93 is: 1,282,232.17
Step by Step Solution
- Step 1: Write the proportion equation
960,609.98 : 1,325,768.49 = 929,064.93 : x - Step 2: Convert to fraction form
960,609.98/1,325,768.49 = 929,064.93/x - Step 3: Cross multiply
960,609.98x = 1,325,768.49 × 929,064.93 - Step 4: Simplify right side
960,609.98x = 1,231,725,009,358.06 - Step 5: Solve for x
x = 1,231,725,009,358.06/960,609.98 - Step 6: Final answer
x = 1,282,232.17
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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.