Finding the Fourth Proportional to 968,639.34, 1,452,944.42 and 435,784.08
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Solution
The fourth proportional to 968,639.34, 1,452,944.42 and 435,784.08 is: 653,669.56
Step by Step Solution
- Step 1: Write the proportion equation
968,639.34 : 1,452,944.42 = 435,784.08 : x - Step 2: Convert to fraction form
968,639.34/1,452,944.42 = 435,784.08/x - Step 3: Cross multiply
968,639.34x = 1,452,944.42 × 435,784.08 - Step 4: Simplify right side
968,639.34x = 633,170,047,360.83 - Step 5: Solve for x
x = 633,170,047,360.83/968,639.34 - Step 6: Final answer
x = 653,669.56
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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.