Finding the Fourth Proportional to 683,134.08, 940,638.12 and 619,054.98
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Solution
The fourth proportional to 683,134.08, 940,638.12 and 619,054.98 is: 852,404.72
Step by Step Solution
- Step 1: Write the proportion equation
683,134.08 : 940,638.12 = 619,054.98 : x - Step 2: Convert to fraction form
683,134.08/940,638.12 = 619,054.98/x - Step 3: Cross multiply
683,134.08x = 940,638.12 × 619,054.98 - Step 4: Simplify right side
683,134.08x = 582,306,712,563.84 - Step 5: Solve for x
x = 582,306,712,563.84/683,134.08 - Step 6: Final answer
x = 852,404.72
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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.