Finding the Fourth Proportional to 576,787.80, 865,181.70 and 576,787.80
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Solution
The fourth proportional to 576,787.80, 865,181.70 and 576,787.80 is: 865,181.70
Step by Step Solution
- Step 1: Write the proportion equation
576,787.80 : 865,181.70 = 576,787.80 : x - Step 2: Convert to fraction form
576,787.80/865,181.70 = 576,787.80/x - Step 3: Cross multiply
576,787.80x = 865,181.70 × 576,787.80 - Step 4: Simplify right side
576,787.80x = 499,026,249,343.26 - Step 5: Solve for x
x = 499,026,249,343.26/576,787.80 - Step 6: Final answer
x = 865,181.70
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1.5x scale
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.