Finding the Fourth Proportional to 899,402.76, 1,240,777.14 and 536,615.69
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Solution
The fourth proportional to 899,402.76, 1,240,777.14 and 536,615.69 is: 740,291.78
Step by Step Solution
- Step 1: Write the proportion equation
899,402.76 : 1,240,777.14 = 536,615.69 : x - Step 2: Convert to fraction form
899,402.76/1,240,777.14 = 536,615.69/x - Step 3: Cross multiply
899,402.76x = 1,240,777.14 × 536,615.69 - Step 4: Simplify right side
899,402.76x = 665,820,472,901.13 - Step 5: Solve for x
x = 665,820,472,901.13/899,402.76 - Step 6: Final answer
x = 740,291.78
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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.