Finding the Fourth Proportional to 839,197.08, 1,258,905.54 and 306,968.76
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Solution
The fourth proportional to 839,197.08, 1,258,905.54 and 306,968.76 is: 460,493.35
Step by Step Solution
- Step 1: Write the proportion equation
839,197.08 : 1,258,905.54 = 306,968.76 : x - Step 2: Convert to fraction form
839,197.08/1,258,905.54 = 306,968.76/x - Step 3: Cross multiply
839,197.08x = 1,258,905.54 × 306,968.76 - Step 4: Simplify right side
839,197.08x = 386,444,672,570.93 - Step 5: Solve for x
x = 386,444,672,570.93/839,197.08 - Step 6: Final answer
x = 460,493.35
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1.5x scale
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.