Finding the Fourth Proportional to 960,111.90, 1,324,935.36 and 530,388
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Solution
The fourth proportional to 960,111.90, 1,324,935.36 and 530,388 is: 731,924.91
Step by Step Solution
- Step 1: Write the proportion equation
960,111.90 : 1,324,935.36 = 530,388 : x - Step 2: Convert to fraction form
960,111.90/1,324,935.36 = 530,388/x - Step 3: Cross multiply
960,111.90x = 1,324,935.36 × 530,388 - Step 4: Simplify right side
960,111.90x = 702,729,815,719.68 - Step 5: Solve for x
x = 702,729,815,719.68/960,111.90 - Step 6: Final answer
x = 731,924.91
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1.5x scale
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.