Finding the Fourth Proportional to 785,195.94, 1,177,904.08 and 385,852.44
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Solution
The fourth proportional to 785,195.94, 1,177,904.08 and 385,852.44 is: 578,832.80
Step by Step Solution
- Step 1: Write the proportion equation
785,195.94 : 1,177,904.08 = 385,852.44 : x - Step 2: Convert to fraction form
785,195.94/1,177,904.08 = 385,852.44/x - Step 3: Cross multiply
785,195.94x = 1,177,904.08 × 385,852.44 - Step 4: Simplify right side
785,195.94x = 454,497,163,353.96 - Step 5: Solve for x
x = 454,497,163,353.96/785,195.94 - Step 6: Final answer
x = 578,832.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.