Finding the Fourth Proportional to 566,402.24, 781,657.26 and 311,777.12
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Solution
The fourth proportional to 566,402.24, 781,657.26 and 311,777.12 is: 430,264.63
Step by Step Solution
- Step 1: Write the proportion equation
566,402.24 : 781,657.26 = 311,777.12 : x - Step 2: Convert to fraction form
566,402.24/781,657.26 = 311,777.12/x - Step 3: Cross multiply
566,402.24x = 781,657.26 × 311,777.12 - Step 4: Simplify right side
566,402.24x = 243,702,850,134.87 - Step 5: Solve for x
x = 243,702,850,134.87/566,402.24 - Step 6: Final answer
x = 430,264.63
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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.