Finding the Fourth Proportional to 785,197.94, 1,177,907.08 and 385,854.44
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Solution
The fourth proportional to 785,197.94, 1,177,907.08 and 385,854.44 is: 578,835.80
Step by Step Solution
- Step 1: Write the proportion equation
785,197.94 : 1,177,907.08 = 385,854.44 : x - Step 2: Convert to fraction form
785,197.94/1,177,907.08 = 385,854.44/x - Step 3: Cross multiply
785,197.94x = 1,177,907.08 × 385,854.44 - Step 4: Simplify right side
785,197.94x = 454,500,676,725.44 - Step 5: Solve for x
x = 454,500,676,725.44/785,197.94 - Step 6: Final answer
x = 578,835.80
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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.