Finding the Fourth Proportional to 907,554.78, 1,361,332.44 and 338,980.68
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Solution
The fourth proportional to 907,554.78, 1,361,332.44 and 338,980.68 is: 508,471.12
Step by Step Solution
- Step 1: Write the proportion equation
907,554.78 : 1,361,332.44 = 338,980.68 : x - Step 2: Convert to fraction form
907,554.78/1,361,332.44 = 338,980.68/x - Step 3: Cross multiply
907,554.78x = 1,361,332.44 × 338,980.68 - Step 4: Simplify right side
907,554.78x = 461,465,396,217.26 - Step 5: Solve for x
x = 461,465,396,217.26/907,554.78 - Step 6: Final answer
x = 508,471.12
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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.