Finding the Fourth Proportional to 531,708.92, 733,343.40 and 340,740.08
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Solution
The fourth proportional to 531,708.92, 733,343.40 and 340,740.08 is: 469,955.42
Step by Step Solution
- Step 1: Write the proportion equation
531,708.92 : 733,343.40 = 340,740.08 : x - Step 2: Convert to fraction form
531,708.92/733,343.40 = 340,740.08/x - Step 3: Cross multiply
531,708.92x = 733,343.40 × 340,740.08 - Step 4: Simplify right side
531,708.92x = 249,879,488,783.47 - Step 5: Solve for x
x = 249,879,488,783.47/531,708.92 - Step 6: Final answer
x = 469,955.42
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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.