Finding the Fourth Proportional to 746,116.59, 1,119,307.86 and 347,207.79
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Solution
The fourth proportional to 746,116.59, 1,119,307.86 and 347,207.79 is: 520,873.57
Step by Step Solution
- Step 1: Write the proportion equation
746,116.59 : 1,119,307.86 = 347,207.79 : x - Step 2: Convert to fraction form
746,116.59/1,119,307.86 = 347,207.79/x - Step 3: Cross multiply
746,116.59x = 1,119,307.86 × 347,207.79 - Step 4: Simplify right side
746,116.59x = 388,632,408,400.23 - Step 5: Solve for x
x = 388,632,408,400.23/746,116.59 - Step 6: Final answer
x = 520,873.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.