Finding the Fourth Proportional to 839,518.70, 1,258,884.29 and 306,667.08
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Solution
The fourth proportional to 839,518.70, 1,258,884.29 and 306,667.08 is: 459,856.79
Step by Step Solution
- Step 1: Write the proportion equation
839,518.70 : 1,258,884.29 = 306,667.08 : x - Step 2: Convert to fraction form
839,518.70/1,258,884.29 = 306,667.08/x - Step 3: Cross multiply
839,518.70x = 1,258,884.29 × 306,667.08 - Step 4: Simplify right side
839,518.70x = 386,058,370,038.84 - Step 5: Solve for x
x = 386,058,370,038.84/839,518.70 - Step 6: Final answer
x = 459,856.79
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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.