Finding the Fourth Proportional to 544,522.36, 751,330.72 and 318,124.12
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Solution
The fourth proportional to 544,522.36, 751,330.72 and 318,124.12 is: 438,946.94
Step by Step Solution
- Step 1: Write the proportion equation
544,522.36 : 751,330.72 = 318,124.12 : x - Step 2: Convert to fraction form
544,522.36/751,330.72 = 318,124.12/x - Step 3: Cross multiply
544,522.36x = 751,330.72 × 318,124.12 - Step 4: Simplify right side
544,522.36x = 239,016,424,128.97 - Step 5: Solve for x
x = 239,016,424,128.97/544,522.36 - Step 6: Final answer
x = 438,946.94
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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.