Finding the Fourth Proportional to 775,867.49, 1,070,089.97 and 530,997.41
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Solution
The fourth proportional to 775,867.49, 1,070,089.97 and 530,997.41 is: 732,360.88
Step by Step Solution
- Step 1: Write the proportion equation
775,867.49 : 1,070,089.97 = 530,997.41 : x - Step 2: Convert to fraction form
775,867.49/1,070,089.97 = 530,997.41/x - Step 3: Cross multiply
775,867.49x = 1,070,089.97 × 530,997.41 - Step 4: Simplify right side
775,867.49x = 568,214,999,881.99 - Step 5: Solve for x
x = 568,214,999,881.99/775,867.49 - Step 6: Final answer
x = 732,360.88
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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.