Finding the Fourth Proportional to 817,489.56, 1,226,220.06 and 367,892.28
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Solution
The fourth proportional to 817,489.56, 1,226,220.06 and 367,892.28 is: 551,831.99
Step by Step Solution
- Step 1: Write the proportion equation
817,489.56 : 1,226,220.06 = 367,892.28 : x - Step 2: Convert to fraction form
817,489.56/1,226,220.06 = 367,892.28/x - Step 3: Cross multiply
817,489.56x = 1,226,220.06 × 367,892.28 - Step 4: Simplify right side
817,489.56x = 451,116,893,655.14 - Step 5: Solve for x
x = 451,116,893,655.14/817,489.56 - Step 6: Final answer
x = 551,831.99
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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.