Finding the Fourth Proportional to 903,905.36, 1,247,973.74 and 560,106.12
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Solution
The fourth proportional to 903,905.36, 1,247,973.74 and 560,106.12 is: 773,308.53
Step by Step Solution
- Step 1: Write the proportion equation
903,905.36 : 1,247,973.74 = 560,106.12 : x - Step 2: Convert to fraction form
903,905.36/1,247,973.74 = 560,106.12/x - Step 3: Cross multiply
903,905.36x = 1,247,973.74 × 560,106.12 - Step 4: Simplify right side
903,905.36x = 698,997,729,373.29 - Step 5: Solve for x
x = 698,997,729,373.29/903,905.36 - Step 6: Final answer
x = 773,308.53
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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.