Finding the Fourth Proportional to 665,087.61, 997,652.67 and 260,263.78
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Solution
The fourth proportional to 665,087.61, 997,652.67 and 260,263.78 is: 390,403.99
Step by Step Solution
- Step 1: Write the proportion equation
665,087.61 : 997,652.67 = 260,263.78 : x - Step 2: Convert to fraction form
665,087.61/997,652.67 = 260,263.78/x - Step 3: Cross multiply
665,087.61x = 997,652.67 × 260,263.78 - Step 4: Simplify right side
665,087.61x = 259,652,855,021.29 - Step 5: Solve for x
x = 259,652,855,021.29/665,087.61 - Step 6: Final answer
x = 390,403.99
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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.