Finding the Fourth Proportional to 909,985.98, 1,255,787.39 and 502,102.97
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Solution
The fourth proportional to 909,985.98, 1,255,787.39 and 502,102.97 is: 692,905.81
Step by Step Solution
- Step 1: Write the proportion equation
909,985.98 : 1,255,787.39 = 502,102.97 : x - Step 2: Convert to fraction form
909,985.98/1,255,787.39 = 502,102.97/x - Step 3: Cross multiply
909,985.98x = 1,255,787.39 × 502,102.97 - Step 4: Simplify right side
909,985.98x = 630,534,569,418.10 - Step 5: Solve for x
x = 630,534,569,418.10/909,985.98 - Step 6: Final answer
x = 692,905.81
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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.