Finding the Fourth Proportional to 938,349.96, 1,294,888.28 and 508,620.88
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Solution
The fourth proportional to 938,349.96, 1,294,888.28 and 508,620.88 is: 701,878.02
Step by Step Solution
- Step 1: Write the proportion equation
938,349.96 : 1,294,888.28 = 508,620.88 : x - Step 2: Convert to fraction form
938,349.96/1,294,888.28 = 508,620.88/x - Step 3: Cross multiply
938,349.96x = 1,294,888.28 × 508,620.88 - Step 4: Simplify right side
938,349.96x = 658,607,216,475.29 - Step 5: Solve for x
x = 658,607,216,475.29/938,349.96 - Step 6: Final answer
x = 701,878.02
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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.