Finding the Fourth Proportional to 589,502.78, 884,440.99 and 210,415.11
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Solution
The fourth proportional to 589,502.78, 884,440.99 and 210,415.11 is: 315,689.35
Step by Step Solution
- Step 1: Write the proportion equation
589,502.78 : 884,440.99 = 210,415.11 : x - Step 2: Convert to fraction form
589,502.78/884,440.99 = 210,415.11/x - Step 3: Cross multiply
589,502.78x = 884,440.99 × 210,415.11 - Step 4: Simplify right side
589,502.78x = 186,099,748,199.36 - Step 5: Solve for x
x = 186,099,748,199.36/589,502.78 - Step 6: Final answer
x = 315,689.35
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1.5x scale
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.