Finding the Fourth Proportional to 937,836.20, 1,294,203.75 and 508,090.70
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Solution
The fourth proportional to 937,836.20, 1,294,203.75 and 508,090.70 is: 701,159.64
Step by Step Solution
- Step 1: Write the proportion equation
937,836.20 : 1,294,203.75 = 508,090.70 : x - Step 2: Convert to fraction form
937,836.20/1,294,203.75 = 508,090.70/x - Step 3: Cross multiply
937,836.20x = 1,294,203.75 × 508,090.70 - Step 4: Simplify right side
937,836.20x = 657,572,889,280.13 - Step 5: Solve for x
x = 657,572,889,280.13/937,836.20 - Step 6: Final answer
x = 701,159.64
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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.