Finding the Fourth Proportional to 865,101.12, 1,193,666.40 and 483,069.12
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Solution
The fourth proportional to 865,101.12, 1,193,666.40 and 483,069.12 is: 666,538.70
Step by Step Solution
- Step 1: Write the proportion equation
865,101.12 : 1,193,666.40 = 483,069.12 : x - Step 2: Convert to fraction form
865,101.12/1,193,666.40 = 483,069.12/x - Step 3: Cross multiply
865,101.12x = 1,193,666.40 × 483,069.12 - Step 4: Simplify right side
865,101.12x = 576,623,377,421.57 - Step 5: Solve for x
x = 576,623,377,421.57/865,101.12 - Step 6: Final answer
x = 666,538.70
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1.5x scale
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.