Finding the Fourth Proportional to 839,903.97, 1,159,092.85 and 457,937.13
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Solution
The fourth proportional to 839,903.97, 1,159,092.85 and 457,937.13 is: 631,967.07
Step by Step Solution
- Step 1: Write the proportion equation
839,903.97 : 1,159,092.85 = 457,937.13 : x - Step 2: Convert to fraction form
839,903.97/1,159,092.85 = 457,937.13/x - Step 3: Cross multiply
839,903.97x = 1,159,092.85 × 457,937.13 - Step 4: Simplify right side
839,903.97x = 530,791,653,132.52 - Step 5: Solve for x
x = 530,791,653,132.52/839,903.97 - Step 6: Final answer
x = 631,967.07
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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.