Finding the Fourth Proportional to 891,396.04, 1,230,117.49 and 483,489.12
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Solution
The fourth proportional to 891,396.04, 1,230,117.49 and 483,489.12 is: 667,210.08
Step by Step Solution
- Step 1: Write the proportion equation
891,396.04 : 1,230,117.49 = 483,489.12 : x - Step 2: Convert to fraction form
891,396.04/1,230,117.49 = 483,489.12/x - Step 3: Cross multiply
891,396.04x = 1,230,117.49 × 483,489.12 - Step 4: Simplify right side
891,396.04x = 594,748,419,990.34 - Step 5: Solve for x
x = 594,748,419,990.34/891,396.04 - Step 6: Final answer
x = 667,210.08
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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.