Finding the Fourth Proportional to 608,134.08, 839,219.04 and 339,862.08
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Solution
The fourth proportional to 608,134.08, 839,219.04 and 339,862.08 is: 469,006.32
Step by Step Solution
- Step 1: Write the proportion equation
608,134.08 : 839,219.04 = 339,862.08 : x - Step 2: Convert to fraction form
608,134.08/839,219.04 = 339,862.08/x - Step 3: Cross multiply
608,134.08x = 839,219.04 × 339,862.08 - Step 4: Simplify right side
608,134.08x = 285,218,728,510.00 - Step 5: Solve for x
x = 285,218,728,510.00/608,134.08 - Step 6: Final answer
x = 469,006.32
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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.