Finding the Fourth Proportional to 968,420.70, 1,450,881.45 and 828,452.70
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Solution
The fourth proportional to 968,420.70, 1,450,881.45 and 828,452.70 is: 1,241,182.32
Step by Step Solution
- Step 1: Write the proportion equation
968,420.70 : 1,450,881.45 = 828,452.70 : x - Step 2: Convert to fraction form
968,420.70/1,450,881.45 = 828,452.70/x - Step 3: Cross multiply
968,420.70x = 1,450,881.45 × 828,452.70 - Step 4: Simplify right side
968,420.70x = 1,201,986,654,632.41 - Step 5: Solve for x
x = 1,201,986,654,632.41/968,420.70 - Step 6: Final answer
x = 1,241,182.32
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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.