Finding the Fourth Proportional to 670,368.79, 925,127.18 and 364,465.75
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Solution
The fourth proportional to 670,368.79, 925,127.18 and 364,465.75 is: 502,972.66
Step by Step Solution
- Step 1: Write the proportion equation
670,368.79 : 925,127.18 = 364,465.75 : x - Step 2: Convert to fraction form
670,368.79/925,127.18 = 364,465.75/x - Step 3: Cross multiply
670,368.79x = 925,127.18 × 364,465.75 - Step 4: Simplify right side
670,368.79x = 337,177,171,504.09 - Step 5: Solve for x
x = 337,177,171,504.09/670,368.79 - Step 6: Final answer
x = 502,972.66
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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.