Finding the Fourth Proportional to 1,011,231.18, 1,395,490.74 and 552,346.05
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Solution
The fourth proportional to 1,011,231.18, 1,395,490.74 and 552,346.05 is: 762,233.02
Step by Step Solution
- Step 1: Write the proportion equation
1,011,231.18 : 1,395,490.74 = 552,346.05 : x - Step 2: Convert to fraction form
1,011,231.18/1,395,490.74 = 552,346.05/x - Step 3: Cross multiply
1,011,231.18x = 1,395,490.74 × 552,346.05 - Step 4: Simplify right side
1,011,231.18x = 770,793,798,050.58 - Step 5: Solve for x
x = 770,793,798,050.58/1,011,231.18 - Step 6: Final answer
x = 762,233.02
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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.