Finding the Fourth Proportional to 839,466, 1,158,471.29 and 457,500.99
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Solution
The fourth proportional to 839,466, 1,158,471.29 and 457,500.99 is: 631,355.84
Step by Step Solution
- Step 1: Write the proportion equation
839,466 : 1,158,471.29 = 457,500.99 : x - Step 2: Convert to fraction form
839,466/1,158,471.29 = 457,500.99/x - Step 3: Cross multiply
839,466x = 1,158,471.29 × 457,500.99 - Step 4: Simplify right side
839,466x = 530,001,759,774.07 - Step 5: Solve for x
x = 530,001,759,774.07/839,466 - Step 6: Final answer
x = 631,355.84
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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.