Finding the Fourth Proportional to 433,768.84, 597,789.62 and 312,703.81
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Solution
The fourth proportional to 433,768.84, 597,789.62 and 312,703.81 is: 430,946.33
Step by Step Solution
- Step 1: Write the proportion equation
433,768.84 : 597,789.62 = 312,703.81 : x - Step 2: Convert to fraction form
433,768.84/597,789.62 = 312,703.81/x - Step 3: Cross multiply
433,768.84x = 597,789.62 × 312,703.81 - Step 4: Simplify right side
433,768.84x = 186,931,089,867.10 - Step 5: Solve for x
x = 186,931,089,867.10/433,768.84 - Step 6: Final answer
x = 430,946.33
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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.