Finding the Fourth Proportional to 610,664.13, 842,730.01 and 338,723.17
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Solution
The fourth proportional to 610,664.13, 842,730.01 and 338,723.17 is: 467,445.46
Step by Step Solution
- Step 1: Write the proportion equation
610,664.13 : 842,730.01 = 338,723.17 : x - Step 2: Convert to fraction form
610,664.13/842,730.01 = 338,723.17/x - Step 3: Cross multiply
610,664.13x = 842,730.01 × 338,723.17 - Step 4: Simplify right side
610,664.13x = 285,452,177,487.70 - Step 5: Solve for x
x = 285,452,177,487.70/610,664.13 - Step 6: Final answer
x = 467,445.46
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1.5x scale
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.