Finding the Fourth Proportional to 756,462.42, 1,043,925.41 and 416,943.70
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Solution
The fourth proportional to 756,462.42, 1,043,925.41 and 416,943.70 is: 575,386.31
Step by Step Solution
- Step 1: Write the proportion equation
756,462.42 : 1,043,925.41 = 416,943.70 : x - Step 2: Convert to fraction form
756,462.42/1,043,925.41 = 416,943.70/x - Step 3: Cross multiply
756,462.42x = 1,043,925.41 × 416,943.70 - Step 4: Simplify right side
756,462.42x = 435,258,122,969.42 - Step 5: Solve for x
x = 435,258,122,969.42/756,462.42 - Step 6: Final answer
x = 575,386.31
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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.