Finding the Fourth Proportional to 839,859.99, 1,159,012.04 and 457,893.15
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Solution
The fourth proportional to 839,859.99, 1,159,012.04 and 457,893.15 is: 631,895.41
Step by Step Solution
- Step 1: Write the proportion equation
839,859.99 : 1,159,012.04 = 457,893.15 : x - Step 2: Convert to fraction form
839,859.99/1,159,012.04 = 457,893.15/x - Step 3: Cross multiply
839,859.99x = 1,159,012.04 × 457,893.15 - Step 4: Simplify right side
839,859.99x = 530,703,671,594.06 - Step 5: Solve for x
x = 530,703,671,594.06/839,859.99 - Step 6: Final answer
x = 631,895.41
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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.