Finding the Fourth Proportional to 839,577.80, 1,258,995.18 and 240,402.44
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Solution
The fourth proportional to 839,577.80, 1,258,995.18 and 240,402.44 is: 360,497.28
Step by Step Solution
- Step 1: Write the proportion equation
839,577.80 : 1,258,995.18 = 240,402.44 : x - Step 2: Convert to fraction form
839,577.80/1,258,995.18 = 240,402.44/x - Step 3: Cross multiply
839,577.80x = 1,258,995.18 × 240,402.44 - Step 4: Simplify right side
839,577.80x = 302,665,513,220.24 - Step 5: Solve for x
x = 302,665,513,220.24/839,577.80 - Step 6: Final answer
x = 360,497.28
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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.