Finding the Fourth Proportional to 839,541.60, 1,158,592.68 and 457,593.12
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Solution
The fourth proportional to 839,541.60, 1,158,592.68 and 457,593.12 is: 631,492.28
Step by Step Solution
- Step 1: Write the proportion equation
839,541.60 : 1,158,592.68 = 457,593.12 : x - Step 2: Convert to fraction form
839,541.60/1,158,592.68 = 457,593.12/x - Step 3: Cross multiply
839,541.60x = 1,158,592.68 × 457,593.12 - Step 4: Simplify right side
839,541.60x = 530,164,039,250.36 - Step 5: Solve for x
x = 530,164,039,250.36/839,541.60 - Step 6: Final answer
x = 631,492.28
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1.5x scale
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.