Finding the Fourth Proportional to 756,038.07, 1,134,057.10 and 476,102.07
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Solution
The fourth proportional to 756,038.07, 1,134,057.10 and 476,102.07 is: 714,153.10
Step by Step Solution
- Step 1: Write the proportion equation
756,038.07 : 1,134,057.10 = 476,102.07 : x - Step 2: Convert to fraction form
756,038.07/1,134,057.10 = 476,102.07/x - Step 3: Cross multiply
756,038.07x = 1,134,057.10 × 476,102.07 - Step 4: Simplify right side
756,038.07x = 539,926,932,808.20 - Step 5: Solve for x
x = 539,926,932,808.20/756,038.07 - Step 6: Final answer
x = 714,153.10
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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.