Finding the Fourth Proportional to 620,935.28, 931,108.08 and 283,875.92
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Solution
The fourth proportional to 620,935.28, 931,108.08 and 283,875.92 is: 425,679.09
Step by Step Solution
- Step 1: Write the proportion equation
620,935.28 : 931,108.08 = 283,875.92 : x - Step 2: Convert to fraction form
620,935.28/931,108.08 = 283,875.92/x - Step 3: Cross multiply
620,935.28x = 931,108.08 × 283,875.92 - Step 4: Simplify right side
620,935.28x = 264,319,162,829.43 - Step 5: Solve for x
x = 264,319,162,829.43/620,935.28 - Step 6: Final answer
x = 425,679.09
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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.