Finding the Fourth Proportional to 566,461.44, 781,720.32 and 311,806.08
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Solution
The fourth proportional to 566,461.44, 781,720.32 and 311,806.08 is: 430,294.34
Step by Step Solution
- Step 1: Write the proportion equation
566,461.44 : 781,720.32 = 311,806.08 : x - Step 2: Convert to fraction form
566,461.44/781,720.32 = 311,806.08/x - Step 3: Cross multiply
566,461.44x = 781,720.32 × 311,806.08 - Step 4: Simplify right side
566,461.44x = 243,745,148,635.55 - Step 5: Solve for x
x = 243,745,148,635.55/566,461.44 - Step 6: Final answer
x = 430,294.34
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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.