Finding the Fourth Proportional to 945,421.05, 1,416,948.93 and 472,238.49
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Solution
The fourth proportional to 945,421.05, 1,416,948.93 and 472,238.49 is: 707,767.00
Step by Step Solution
- Step 1: Write the proportion equation
945,421.05 : 1,416,948.93 = 472,238.49 : x - Step 2: Convert to fraction form
945,421.05/1,416,948.93 = 472,238.49/x - Step 3: Cross multiply
945,421.05x = 1,416,948.93 × 472,238.49 - Step 4: Simplify right side
945,421.05x = 669,137,823,110.32 - Step 5: Solve for x
x = 669,137,823,110.32/945,421.05 - Step 6: Final answer
x = 707,767.00
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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.