Finding the Fourth Proportional to 906,289.36, 1,250,652.87 and 498,390.79
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Solution
The fourth proportional to 906,289.36, 1,250,652.87 and 498,390.79 is: 687,764.75
Step by Step Solution
- Step 1: Write the proportion equation
906,289.36 : 1,250,652.87 = 498,390.79 : x - Step 2: Convert to fraction form
906,289.36/1,250,652.87 = 498,390.79/x - Step 3: Cross multiply
906,289.36x = 1,250,652.87 × 498,390.79 - Step 4: Simplify right side
906,289.36x = 623,313,871,895.07 - Step 5: Solve for x
x = 623,313,871,895.07/906,289.36 - Step 6: Final answer
x = 687,764.75
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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.